cnn hello i'm bill weird. >> welcome to a special eclipse across america. >> here in one i'm tim dc >> we are >> less than 24 hours away from witnessing one of the most spectacular shows to take over our skies a total solar eclipse, every day, the shadow of the moon bounces on countless corners of the milky way. and when it hits earth, odds are generally that it'll pass over uninhabited patches of ice and sea where no one can appreciate it. but tomorrow, tomorrow that shadow will launch a us tour centuries in the making with 32 million people living in the path of totality and other 3 million expected to join them from around the nation and the world. the celestial show, of course, opens on the mexican border with texas before crossing over dallas, indianapolis, cleveland, and

buffalo >> hello, on its way into eastern can for the path to include so many fellow americans. and there won't be another until you're newborn is old enough to drink in the year 2044, it's the kind of rare, all inspiring nonpartisan, cosmic event that is uniting people around, wonder and so many are getting in on the fund. there is clever marketing and mass weddings and potentially nervous zoo animals and a run on special safety eclipse glasses, which are vital. your ray-bans will not cut it so much to talk about in this special hour. and of course, we have reporters fanned out all across the country, keeping track of possible cloudy formations, their progress as preparations get buttoned up. really that is the drama their local weather is everything for would-be eclipse of goers, it's the difference between celestial and disappointments and we'll get all these folks and see how they're doing coming up. and let's begin with meteorologist. at least a

rafah, alyssa, joining us along the path of totality there. i my heart goes out to the families who have been planning this for years and now are just going hour by refreshing the forecast. what's it looking like? what, who's got the best shot them off? >> you don't want and it's so opposite for what we would expect an april, it's flipped, the switch on the primatology. we've got a severe storm throughout that's pretty much growing over parts of texas. looks like the best view it could be over parts of the ohio valley and in new england that severe threat and texas is now an enhanced level three out of five, or we're looking at the threat for damaging winds, large hail and some isolated tornadoes right along there, that path of totality. but the good news is, is it looks like the storms don't fire up until after the eclipse. couple of showers before, but all of this fires up after three 4:00. so it's gonna be a problem on your way home from any eclipse events there in texas. it will also come though with the clouds we're looking at mostly clotting these guys in dallas throughout the event, your peak at totality is one 40 places like indianapolis. so looking at more sunshine, clear skies,

a better view of things like the corona as we start to get into totality. >> a couple of >> showers though we've got this stalled front that stalls pretty much right along and near the path that's what's bringing the clouds and the showers from texas into louisiana, arkansas, then maybe a couple of two over upstate new york. but you've got that patch of clear this over the ohio valley and then another patch of clear skies over new england. so cleveland, ohio, another spot that will have a mix of sun and clouds. so you're hoping to just not get that cloud once you have that totality. so you can see things like the corona, you'll still get that darkness though no matter what your cloud conditions are in something that's really cool is once you get that darkness, the shadow is going to basically cover up the energy from the sun and temperatures will briefly drop when you're in totality. so get a little bit of a cool breeze once the shadow comes across, bill alyssa, i would never ever route for you to be wrong. >> but for all those families

>> who've got the reservations made and the family assembled for tomorrow, maybe clear skies could somehow happen, but thank you for the latest update. knowledge is power when planning an eclipse, let's go now to downtown indianapolis, where thousands of people are expected to watch the eclipse, tens of thousands really joining me now, kristin fisher, they calling themselves the eclipse capital of the midwest, the rivalry, the american style robbery are kicking in there. how big is the party going to get there? >> it's gonna get even bigger now bill, now that the forecast in texas is so bad, but i gotta say the second, you are show started. it started raining. it's now raining now, but the sun is out. the weather here can't quite decide what to do. hopefully, it clears up just in time for totality here in indianapolis at 3:06 p.m. eastern time. you know, bill indianapolis has always been one of those key cities along the path of totality it became much more important with that

bad forecast down in texas, eclipse chasers coming here in droves. wow, it is really granting. now, you could not time this better. >> but >> you have seen the airports absolutely packed today. we've talked to so many people who have come here from texas and dallas. we're planning to watch it there. >> no watching it here. look at this. >> this has gotta mean great clear skies during totality tomorrow. >> if you miss it, it's going to be over hundred years before indianapolis gets another eclipse. it's been over 800 years since you've seen a total solar eclipse here in indianapolis. and the reason eclipse chasers are so excited about this one bill, two big things. the path, the duration of totality about twice as long as it was bad in 2017. and then build the other big thing is that this total solar eclipse just happens to be coinciding with peak solar activity. and so what that means is that when the moon fully covers the sun,

you should be able to see hopefully some really cool things from the sun's corona solar flares, some coronal mass ejections, all those things should be much more visible and a parent and hopefully more active this time around. but built really right now, it just all comes down to the weather. you can still enjoy an eclipse during cloudy skies, but it's just not the same as when you have a clear shot of it. so i think my producer is saying that we have a rainbow behind me. i mean, >> bill, >> if this isn't a sign that we're going to have good weather and clear skies for an eclipse tomorrow. >> i don't know what is >> it is a double omen. >> look at that double no, not quite a double rainbow >> what a double rainbow >> but it's a beautiful one >> you can see it. wow. >> couldn't plan it better. so what bill i was supposed to be

incur ville for the eclipse at the last second carville, texas at the last second, we changed our plans and came i'm here at like so many other eclipse chasers. so hopefully the rainbow is going to give us those clear skies that we all need >> well, you have definitely set the bar high for the rest of the live shots to follow kristin fisher. thank you for that spontaneous rainbow right there. we'll check back in with you across the next 24 hours for sure. let's now go to say hello, cleveland, where cbs's miguel marquez is standing by. miguel. this is the rock and roll >> hall of fame world here. of course, i'm thinking you've got pink floyd total eclipse, right? blinded by the light man for man >> yeah. so we, so we are at the science center here, the great lakes science center. there's speckling 30,000 people here. >> rock hall, the rocket >> whole rock and roll hall of fame is right next to us. they're going to dj the eclipse. they're going to have

about eight hours of music, but for the eclipse itself, were totality at 3:13 p.m. eastern standard time. they will have pink floyd's eclipse playing. and as totality ends, the idea is, is that you will hear the lyrics. they could have speakers set up throughout cleveland as well. so you're going to hear the lyric the moon has eclipsed the sun. it's gonna be very, very cool, about 30,000 people, they're expecting here at the great lakes science center. this is also home cleveland to the glenn research center. it's the only nasa facility that is in the path of totality. so nasa has a very, very big contingent here. the entire city, they're calling, calling it the blackout to remember the entire city just looking forward to this one, it is going to be a great day. bell >> all right. miguel marquez, that sounds so great. you've gone to plenty of uno here of the generation that would go see pink floyd dark side moon at the laser mariam and now

that lyric could have gnomon fitter backdrop than the total moment of totality i can't wait for that one. thank you, miguel, let's now go to buffalo, america's oldest state park. that is harry anton's beat, harryette and his are man and buffalo, as if you could not tell a man who practices experiential journalism. and is in one of my favorite places, harry, what's the mood there these folks know how to celebrate on a slow de, it must be exciting as we get closer to this yeah, i mean, where else would you rather be than right here right now in niagara falls, just north of buffalo i've got the gear all set up. i got my niagara falls hat here. i've got my solar eclipse shirt. we've got such a beautiful view over my right shoulder. you can see the falls. look my goodness, gracious. how beautiful is that going to be tomorrow that you also see the sun as well setting in the west obviously

the sum will be a little bit further up. come tomorrow, but it will be on that side. it's going to be a beautiful view. and of course, we've got a ton of people here. you can see the excitement has absolutely been built thing we're getting more and more people as i've been here. and in fact, we spoke with a couple from england earlier during my experience here, let's take a listen i guess the 20-17 one was so impressive, you decided i gotta i gotta i gotta double dip >> yeah, about eclipses as well, because i've got one in 2026 is going over spain. so i've already got, already gotten lot line.com on. and then there's wandering 2027 evan also done southern spain and 2028, there's one in australia i've gotten lined up, so >> i've heard of tornado chasers before. i've heard of hurricane chasers report apparently we've discovered a new breed and that is a chasers. >> oh yeah eclipse chasers in

an entirely new category of fandom. it's not just the grateful dead and fish. this is much harder to do how many people are up there around the falls, harry, on both sides of the border, i imagined big crowds >> yeah. yeah. we're expecting more than perhaps north of 1 million folks on just coming to the western new york region. we're expecting about 1 million. so you talk in takin those folks on the canadian side, we could be looking at well, north of 1 million people, and we have found people coming from all over the place. we have found people as we mentioned earlier, from england, had folks from utah. we've had folks from, from new jersey. people are coming all over here and why the heck not because if you just look at the view that we have going on here, this is the place to be the one question bill is, will we have partly sunny skies are

mostly cloudy skies i have dipped into my weather background. i've been looking at the model outputs statistic data, the short range modeling we could get a micro climate here, which could allow niagara falls to be partly sunny, while the rest of the western new york region is in fact mostly cloudy. that's at least what i'm praying for bill back to you that is really fascinating you crunch numbers will be on politics obviously. but there is interesting microclimates around the great lakes there, around the falls as it churns. it might be worth following up and seeing if you write it what, what, we'll find out tomorrow be the ultimate test, whether or not my meteorology is as good as my political number crunching >> keep your day job just in case harry enten. thank you so much in buffalo coming up as millions prepare to watch these celestial event from the ground, nasa will be chasing it from the sky three different special kinds of planes, rockets, into the path of the eclipse will be launched plus, you've heard of storm chasers.

but what about eclipse chasers? you met a couple of their who just traveled thousands of miles for the perfect view. and it's the essential item you'll need to view the main events but are your eclipse glasses safe? this is serious. what you need to know to keep your eyes, your papers, healthy from the sun during tomorrow's big event. stick around >> tonight >> new interviews with a return israeli hostages. >> what is the meaning of being hostage? reasonable certainty, and the fight for the release of those still in captivity. the whole story 40 with anderson cooper tonight at eight on cnn >> out of your surrounded >> just going to sunday. >> oh, >> are you going to take your map? we're >> going to take it back and to take which scott's time for builder. terrific action. it gets three jobs done at once, kills reads, prevents cab gas,

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at nine on cnn nn welcome back to eclipse across america. we are only hours away from the big celestial event, millions around the country getting ready to really just gather and connect over the wonder of the universe on the moon temporarily blocks out the sun here on earth, a four-minute show nasa has its own plans for the solar eclipse as well. and for that, let's talk to nasa administrator bill nelson, who joins us from orlando this evening. >> hello bill. what is the administrator do during totality, if i may ask, where will you be >> i'm going to be in the middle of the eclipse. i'm going to our glenn named after john glenn, by the way research center in cleveland, ohio so that's where i'll be in. >> yeah, of course. i wouldn't expect anything more but to be right under it there as well. and what's interesting is that

if you happen to live in the path of totality, that's the only place it's safe to take off your glasses and look at that sun in that way and that's sort of liberty to do that really expands when it comes to scientists studying the moon, right? i mean, you guys and the sun, you guys are, have all kinds of experiments going off between rockets and planes explained what it is, what mysteries you're try, your folks are trying to unpack tomorrow well, the sun is our star, and it gives us heat and light and out of it is a whole bunch of energy and radiation that comes from it. and because we're going to have darkness in the middle of the day, then it's a new way of us being able to study what is happening and what's happening in the, in the upper atmosphere up in the ir ionosphere. and i see you've got the pictures of the plains i'll be up there and

50,000 feet looking up further about 400 miles at the ionosphere and seeing how all of a sudden it going from day to night. and what is the difference that's happening in the ionosphere? >> yeah, it's interesting to see your satellite imagery of this. the ionosphere is that layer between our atmosphere in deep space. and it's electrically charged based on the solar activity. and you can see it light up as the sun comes up wherever you are in the earth, and then sort of twinkle and then fade away. and that affects communication, doesn't it? both? both terrestrial and satellite >> all of the above, everything coming off of the sun has an effect on us you know, the fact that they're the solar explosions coming out from the sun. that's sending radiation directly to us the reason we don't get fried is that we have a magnetic field around

the earth and it repels that radiation >> you know, we're not >> just done tomorrow. >> we are actually putting up a satellite that's already up there and it's going to go in very close to the sun and it's going to take all kinds of measurements of that heat and that radiation coming off. what is the corona outside of the actual what you'd think? surface of the sun. >> so we've got >> all kinds of measurements going on >> yeah, i was i was reading up about on the corona actually maintains a pretty consistent temperatures and millions of degrees hotter than the surface of the sun, even as the son cycles through this 11 year ups and downs of actual power or an activity there which were at the maximum right now as well. but one of the mysteries is why the corona stays consistent

while this happens, i know that there was an eclipse that helped prove albert einstein's theory of relativity back, back in the day when they could see a star was sort of warped and not a play based on this as well. are there other grand mysteries of the universe that all this data is leading us towards unlocking >> that's what our spacecraft in our telescopes are now unlocking those mysteries and that's what this parker solar probe is going very close to the surface of the sun, by the way, it has a special heat shield that it has to stay oriented. that heat shield will repel the sun's heat so that it does not completely elimine inrunts that's another way that we're going to learn all the more of what's happening up there. but this has been a mystery for years and years as people have

period up into the heavens and seeing this magnificent star >> one >> of billions of stars in our galaxy. and a course in then, in addition to our galaxy, there are billions of galaxies with billions of stars >> by the way, >> i want to remind everybody, where are those glasses? look at the stuff? >> you >> don't want to >> damage your eyes, please wear those glasses >> absolutely >> cool. looking pretty good. like cool. >> this brings me back to lie. 1980s new wave phase. it was brief but it is very serious because unless you live in that point of totality there and if you're in maybe new york where you get 90% your sunglasses are not going to cut it. this is, this is mandatory safety gear tomorrow, right >> it is and i'm going to be

in totality and i'm going to have license on i'm sure you look cool. administrator bill nelson of nasa. thank you so much for your time. happy eclipse day. if i don't talk to you before, then i still had snow-capped mountains, clear skies, and a total solar eclipse pretty good package put together will take you to what might be the best place in the country to see the celestial dance tomorrow >> if you work in spaceflight, this >> is the worst possible >> thing i can ever happen >> my dad died doing my space shuttle columbia, the final flight premieres tonight at nine on cnn. >> he there, brenda. >> it's carol. exactly. >> so which like are we operating on? >> you mean arm? >> it's all connected, asking the right question can greatly

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eclipse-watchers for being worried >> that the weather could complicate get their attempts to see this epic astronomical, astronomical phenomenon tomorrow, but it's sudden rainbow in the sky moments ago during our kristen fishers live shot in any in-app >> is >> that an omen of hope we can hope so a better now than tomorrow. that's for sure. cnn meteorologist alyssa rafah joins us again. alissa, let us zero man in indianapolis were born really banking on it as a network. we have so many resources. there's so many folks there but you're telling us there in the clear tomorrow, this is a good sign that this weather is moving through at least in better shape than texas, right? which is what she was saying originally, she was going to texas and like many people, they're sending their plans up into the ohio valley where skies are a little bit more clear so you can see the difference between dallas and indianapolis where it looks like you'll have some mostly clear skies, you know, a few clouds, much less than in the southern plains by three, 4:00 like when your kidding that

totality after rio six. so some clearer skies there in indianapolis, your eclipse begins at 1:50. you get that totality time a 306 and/or wraps up around 4420 and you'll have partly cloudy, mostly sunny sky. so there might be a few clouds attempt depends on the type of cloud you'll definitely get that darkness either way, you might just might not be able to see the corona, but it's looking like much better shape in indianapolis and in dallas, bill. >> all right. alyssa, thank you so much. let us now go a bit north droves of tourists descending on burlington, vermont today ahead of tomorrow, solar eclipse and the weather looks pretty promising for all the umbra files on hand up north. that's where we can find cnn's jens, derrick van dam today. i'm expanding my vocabulary. >> what, >> what is ix tell us what an umbra file is? derrick it is a person who chases a eclipse or a shadow lover. it is a real webster's dictionary word.

check it out, bill and you're looking at umbra files including me right here. are you guys excited about the eclipse oh thousands of files coming down to the shores of beautiful lake champlain where you can see the weather is picture, picture, perfect. picture. this tomorrow, 3206, the skies darken. we get a 360 degrees sunset all around us, constellation stars and planets come out. >> it is going to be the >> big celestial dance. and you know what >> this is my friend rex, and this is this your first solar eclipse. >> solar eclipse, really my first eclipse likened the types are what makes you so excited about this >> it's going. to meet my first time ever on live tv. >> oh, that makes it even better. but i mean, as a parent myself, you're you're seven, right? >> okay. so if a parent of a seven-year-old myself, i know that this is a core memory

maker for a parent and for a child as well. so maybe this is going to inspire some side of scientific exploration. four this young boy, but one thing i do know is that you've got a special trick for us. i think it is a solar eclipse, somersault. is that true? can you >> show us he's gotten me like a triple line all right rex >> everybody making his national tv debut. thanks for playing along. you know, bill, it doesn't get any better than this. and i'm people are very, very excited about this once in a lifetime. time opportunity. we're excited and you know what it is going to be one heck of a time here, the snow-capped mountains and perfect weather across northern new england back to you >> first of all, there have rx, give you a copy of his resume because he's got that kind of charisma and interest in science. we're looking for in there. >> and i'm >> jealous both of you. i've never actually ben under the eclipse and i'm going to be in a studio and atlanta tomorrow.

so i'm gonna miss this one too, but you covered the 2017. how is this one different >> or this this one is different because three times as many people are in the path of totality for this eclipse. and then in 2017, i was in nashville. it was in the lower end of the solar cycle, so the sun goes through an 11 year solar cycle and we are reaching its maximum right now coinciding with this total solar eclipse. so once the moon blocks out, the sun right over the skies here of lake champlain you can expect to see more solar prominences, solar flares, and just more beautiful things around the corona of the sun. that's the sun's atmosphere that is going to be more active because we're in that solar maximum right now, it is going to be an incredible event to witness something that is not going to be the same as what happened in 2017. even more spectacular, perhaps, folks with those as those big telescopes, probably not gonna get much sleep tonight,

thinking about all of that ejections and stuff, derrick, thank you so much >> you neither. several spots in mexico in the path of totality, including mazatlan on the west coast, tens of thousands of visitors arrive there over the weekend. it's where mexican president and andres manuel lopez obrador, we'll be watching as well and further north, the city of torreon is also along the path of totality. the stuff of valdes joins us from there. now gustavo, what would have been seeing today, what's the mood? >> well, methods might be the first one to see the eclipse and they do have those beautiful beaches you're going to have the clear skies, hopefully, and they're going to enjoy a margarita on the beach with the eclipse, but he into r1, we have something they don't have and that's dose two scopes. they've been here for a long time. one of them is always pointing get this they do experiments, they started to study this sun. the other one, they're modifying it so they can also look at the sun and the second one is going to be looking at specific areas of the moon and the sun to do

several test. this is a team from the national mexican university. they are going to be looking at the ionic sphere. you had an asset administrator. they're talking about is there's a lot of size going on, but there's also a lot of font. you see that line over there. we kinda case here, we cannot move too much, but all deadline has been there all day long. they want to get their glasses. so they can look at the eclipse tomorrow. this part get over here in these park is gonna be a little fare with music, with food, and they're going to have experts to talk about the burj. this park has a lot of birds, so we're going to be able to hear what happens when darkness comes in the middle of the day. also, not far from here, there's a desert, is a cuatro cnn and there expecting to have also clear skies and they expect that the view there's gonna be incredible because they don't have the urban light to pollute the view right here. we've had

the overcast sky, sometimes the sun comes out, sometimes it doesn't but we're hoping that by the time this, the clips gets to its peak, it's going to be dark, dark, with clear skies spill >> well, gustavo or we're sending you good vibes, clear skies vibes your way as well, and your rights when in the desert, especially imagine the stars popping out in the middle of the day because stuff a valdes. thank you, sir. are the solar eclipse is a massive real life science experiment and still ahead will be joined by a curator at the smithsonian national air and space museum right here in dc to talk about what we can learn a special coverage moment continues to stay with huskies >> will play. for the national championship. this is the greatest stage and almost points this is what dreams are made of moments they talk about for a lifetime, we will see you

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moments in space exploration? i mean, we're not launching anything, but there's really a sense of communal wonder exactly, yeah, it reminds me so much of the apollo aid mission and the apollo 11 mission. world really came together to witness something in space. and i'm especially the coverage i've i've been watching today with the first lunar landing >> part of >> watch, watching that event was watching people all around the world share in that experience and so it's great to be reminded that this is really a community communal event. and it has the potential to bring people together. >> yeah, i've been spending last couple of days just reading everything i can on the experiments that'll take place. what explain what it is that's trying to be unlocked and what interests you most about the data that we'll be gathering tomorrow. >> well, we still have a lot to learn about the corona and one of the things that's very, very important to us to learn more about is coronal mass ejections. and so we have a decent understanding of why they happen, but we're not

quite good at predicting them yet and we'll just so i could get a point on a coronal mass ejections. so giant almost geysers of the sun comes up >> yeah, exactly and depending on the direction it could come to earth and has the potential to harm electronics on satellites or a power grid. so it could pose a real problem. and so the more we know about them, the more we can safeguard our electronics here on earth. and our electrical system. and so this is a really important area that needs to be studied more, right? >> solar storms, i guess is a way to think about it, right? and nasa sending rockets up as well, because i guess studying these phenomenon, it's difficult from a satellite because it may not be in the right position in these airplanes really can't get high enough. so what are the rockets doing >> i don't i don't know so much about the rocket experience, but i experiments, but i saw the that you mentioned the airplanes, which is a great way to extend the

observation time for solar observation. and then of course there are things like the parker solar probe that was mentioned. this giddiness, a lot of new data right? >> the last, i guess maybe the 2017 eclipse gave us some clues into these phenomenon around the sun. >> that's >> what surprised me is this isn't data that went back to say when they proved einstein's theories and the early 1900s or something, we're learning new things about are most important start as we speak >> and solar physicist are very excited for this moment and they've been waiting for it because this isn't just any total eclipse and that's a wonderful thing and its own. but this is a very special one in the sense that the sun is solar maximum and it's extremely close to earth two. so this is a very, very special, is that right >> yeah. yeah. and so part of the reason that the path of totality is so large tomorrow is that the sun is almost as close i mean, sorry, the moon

is almost as close as it can be two or on its orbit, right? >> it didn't occur to me until recently the idea that our moon's shadow is flooding all over asteroids and whatever in the galaxy all the time. and when it hits earth most times we wouldn't even notice, right? because it hits arctic ice are open ocean or something like this. so to have so many major cities and then that's won't happen again for another generation. >> exactly, especially in the united states and there's, there'll be another eclipse in the in 2044, but it's really not till 2045 that you get one that expands across the entire country. i'm >> hoping, and you must be hoping that an entire generation of future scientists are inspired by what they experienced tomorrow >> have you >> been in one and how do you think parents and family members can really maximize this experience? france has a learning moment. >> well, if you have the opportunity to see totality, you should, you should

definitely try to do that. it is been described as one of these experiences that could be transformative, really could change our trajectory. and some people have talked about going into science because of it so if you can make it over half the country lives within 250 miles of totality. so if the weather behaves, good potential for that, but also if you during regions where you're going to have a partial eclipse, it's still extraordinary event to see really inspiring. i'll be on the national mall tomorrow. we have a festival thousands of people come out. i was there in 2017 and it was such a great crowd. i actually lost my voice by mid-afternoon because we're having such a good time together amazing. >> well, i guess if for those who can't be astronauts, it's the closest thing to that overlook effect where you feel such a connection humility about the universe. thank you for coming by. >> my which state ammonia doctrine, qizan mirror >> thank you. wael, we come back a quick probe programming note. this is actually a big night for space fans here on

cnn. it's the untold story of the mission that changed spaceflight really forever. the new cnn original series, space shuttle columbia, the final flight prepared premieres tonight right here, here's a little preview nasa has declared a state of emergency over texas there he something amiss. we are watching mission control bath all but gone through this before 17 years ago with a shuttle challenger. you can see in their eyes, if he worked in spaceflight stores possible thing i can ever help >> a lot of folks remember exactly where they were at that moment. be sure to watch tonight at 9:00 p.m. eastern pacific only on cnn. just ahead, tomorrow's eclipse could be a once in a lifetime opportunity, but don't make it the last thing you'll ever see what you need to do to keep your eyes safe from the sun

>> get your viewing glasses ready and experience so rare, it won't happen again for another two decades. joint cnn for live coverage around the country of the spectacle in this guy's eclipse across america, live to mode one on cnn or streaming on mac. i he moderate to severe plaque psoriasis. thanks to sky rizzi. i'm playing with clearer skin we had a four people achieve 90% clear skin at four months and scares e is just four doses a year after two started >> theories allergic reactions and an increased risk of infections or lower get ready to fight them may occur. tell your doctor if you have an infection or symptoms had a vaccine or plan to the sky rizzi nothing on my skin means every as you're dermatologists about sky resi, learn how advocate help you save. >> so would you get to nashville hot tenders and three mandarin orange tenders would let you three classic tenders

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harrys.com slash shave to claim your $7 trial. >> blue carbon, a >> cnn sunday, april 21 at nine closed captioning brought to you by mesobook.com if you >> or a loved one have neizha helium up, we'll send you a free book to answer questions you may have called now and we'll come to you 808 to one 4,000 happy eclipse iv, america, we are now less than a day away from tomorrow's big total solar eclipse. and if you're excited as moos to watch, you want to be prepared to do it safely. and one way is

to snag a pair of special solar eclipse glasses. the ray-bans are going to cut it on this particular event, you got to make sure they're legit and for more on how to do that and everything else you need to know about solar eclipse. i safety. here's cnn medical correspondent, meg tirrell real injuries can actually occur to your eyes and your vision from looking directly at the sun. and these have been documented after eclipses in the past. the only time it is safe to look at directly up at the sun is during totality. and of course, not everybody who is going to get to experience this eclipse will be in the path of totality that's what the moon completely moves in front of the sun and blocks all of its light and people who are in the path of totality will really only get to experience that for a couple minutes. all other times, or in all other places, you've got to wear protective eyewear, glasses like this. now, these injuries can happen really within seconds of looking directly to play at the sun and the symptoms can then sort of come up a few hours

later, things like blurry vision or a spot in your vision, sort of wavy looking vision, or even altered color. this unfortunately can be permanent, although for some people it does improve over time now, these kinds of glasses, these eclipse glasses that are protective, they are more than 1,000 times darker than even the darkest sunglasses they filter out everything except the tiniest fraction of the sun's visible light you want to make sure that they are iso certified 12312-2 but unfortunately that's not enough alone to see that printed on the glasses to ensure that they're not a counterfeit or a bad pair. the american astronomical association has a list of cleared vendors on its website. so you can find good glasses and they also tell you some of the things you can do to ensure that your pair is good. first of all, even if you have glasses leftover from your last eclipse experience, you can use those, but you want to make sure that they're not damaged,

are scratched or punctured in any way and that the lenses are still on well, then what you wanna do to test that they are dark enough as to put them on inside and to look up at the brightest light that should be absolutely the only thing you can see. and even then, even only the faintest outline of that bright light, if that's good, you take them outside, look at the sun reflecting off of a car or a puddle that you should only be able to see very faintly if that is good, you can take a look at the sun very briefly through the glasses. it should be comfortable to look at the sun. >> and even then, if you're >> not positive about whether you're glad this is our real, you should really only look at the sun through them every maybe two to three seconds, every five minutes, just to ensure that you are protecting your eyes. eclipses lasts long enough that you'll still be able to get good glances of them at looking that way vision problems are not the only health effects and safety risks we have heard about in relation to eclipses, there was also one recent study that looked at traffic fatalities around the

2017 eclipse in the united states, they found that in the three days around let eclipse traffic fatalities went up and while it may sound like that's because things have gone dark or people are looking at the sun. it's actually because so many more people are traveling to try to get to experience the eclipse and that is going to be the case this time as well. the researchers compared the travel conditions to thanksgiving weekend or july 4 weekend or memorial day weekend. so take more care on the road. and >> if you want to look at the >> eclipse, get a pair of safe glasses using all those tips we mentioned or there are ways of looking indirectly like in a projection of the light on the ground >> meg tirrell, good tips. thanks very much. be safe tomorrow. and thank you for joining me this evening. i'm bill aware and be sure to join us tomorrow for cnn special live coverage of the eclipse it all begins at 1:00 p.m. and an all new episode of the whole story with anderson cooper is up next check.

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