and is it coordinated with the straw teenagic points they take. >> our coverage continues next with cnn international. welcome to our viewers in the united states and all around the world. >> coming up this hour, latest search to find the missing malaysian airlines unexpectedly cut short. tell you why this vehicle had to return to the surface hours ahead of schedule. >> also and. >> why are you getting emotional now? >> another grueling day him. we will preview the testimony which begins in just a few minutes from now.

>> plus it is expected to be quite a night for stargazers. we'll help you countdown to the arrival of the blood moon. >> another conversation between the president of the united states and his russian counterpart. barack obama urging him to vacate buildings they have occupied. he called on mr. obama to help prevent the use of force. >> with no signs the protesters are backing down, the acting president says he is open to holding a referendum. that could give more power to the regions in crisis. the u.n. should send in peacekeeping troops. the european foreign ministers

have agreed to free up $1 billion and the officials say expanded sanctions against russia could be on the way. >> monday was the day the government demanded activists give up. the deadline passed with no sign of the ultimatum was being heated. demonstrators overran another key building in eastern ukraine. nick paton walsh reports. >> reporter: a day in which the complexity of the government position was entirely exposed. if protesters did not put down their arms and vacate buildings, the protesters paid no heed. the kept moving against further towns and we have yet to see any ukrainian response. many wondering where he will assert his authority in the east.

it is pro russian protesters marching on this police station. this sort of the unrest spreading quickly daily to about ten towns. the police chief be an, an activist injured. one activists claimed the police defected. a brief signed at what must have been the ukrainian military over the city center, one attack helicopter escorting another. otherwise the anti-terror operation in the interim president pledged if protesters did not surrender government buildings in the morning, nowhere to be seen. repeated deadlines passed for these protesters to leave. these kind of buildings but there is no sign of anything other than them digging and for the long run. one person inside telling me the ukrainian police will seize the building. an extraordinary admission

today. the ousted president sunday claimed the cia director flew in to give the go ahead for the crackdown on protesters. the cia declined to comment and but today, the white house did. >> given the extraordinary circumstances and the false claims by the russians, we can confirm the director was there this weekend as part of a trip to europe. >> suggesting a routine trip in times that aren't and providing fuel to the clan the west is stoking the crisis. and hypocrisy above any limits and i hope we will hear an honest and clear reaction about western partners without any double standards and any attempt to shift the blame to russia. these protesters and 40,000 troops just across the border, the dark backdrop to the swift changes of control in the eastern ukraine.

as part of the complex, the interim president held out the possibility of maybe a referendum on the future of the eastern ukraine, perhaps on the same day as the presidential election. there has not really stop any momentum behind the protesters here. we are seeing now a continual social media report that suggests the ukrainian military armories on the move in the region. we are possibly far from a confrontation because the government has said it wants to avoid bloodshed. there will come a time when it has to make the decision between doing nothing in terms of force and running the risk of falling out of control or intervening with force and then risking the russian military, 40,000 troops just on the other side of the border. an implicit threat to movie and if it thinks its compatriots need russian military

intervention. still in its first weeks of being in power. nick paton walsh, cnn. >> between east and west is spreading beyond the ukraine. on monday the most direct confrontation in russia and the united states in years. a warplane flew by an american warship at close quarters 12 times. attempts to reach the russian pilot went unanswered. the pentagon calls the action provocative and unprofessional. the search for malaysia airlines flight 370 shifts to the bottom of the indian ocean. >> nearly a week after the last pen was heard, the bluefin 21 was deployed on monday but it

came up to six hours in what was meant to be 16-hour-long operation when it exceeded its depth limit. it will redeploy today weather permitting. >> as the focus turns to the deep search, and is houston says where the aircraft most likely will enter the water will and in the next couple of days. >> with the latest on the search, at search headquarters. first things first. when is it expected the bluefin will get back into the water? house in? >> reporter: sometime today, in his midday and we are expecting it to go back into the water in the next few hours. it went down on its first mission, meant to be a 24-hour operation. 16 hours on the bottom. but it was only six hours down on the bottom and what they know about the ocean floor, they've

got the ocean floor was somewhere around 4200-4400 meters. by the time it got to 4500, an automatic switch basically fled inside the submersible and told it was too deep and came back up to the surface. they spent several hours getting out of the water and downloading what data they collected and they will reprogram and charge the batteries and send it back down in the next few hours to continue its job. >> six hours and data, that is better than nothing. how soon before we know if any of that is useful? >> reporter: they look at it pretty quickly. they can turn that around, using this side scan sonar picks up a map and a lot of people have compared it to an ultrasound. very high definition. it will provide our reading of what is on the bottom and what they are hoping to find is the

wreckage of malaysian flight 370. and arduous process. they're doing at best 15.5 square miles in one of those 16-hour days on the bottom and at that rate it will take a minimum of six weeks, perhaps as much as two months to cover the entire area. >> thank you. as you mentioned, down a great debt, almost uncharted territory. thanks. we have more for you now on the robotic submarines and the conditions it is up against and the depth of the indian ocean. >> reporter: the search for mc-370 is moving into a dark corner of the world. in some ways more mysterious than ever space for. >> we know less about the deep ocean and reno and the moon's surface. >> his research team took this video in the southern indian

ocean, he thinks this is what the surface zone nearly three miles down could look like. >> it is dark, it is very cold. >> with pressure so intense it crushes a styrofoam cup to a fraction of its size. the missing plane is believed to be 4500 meters, nearly 15,000 feet down. >> it is flat and the sediment is still. >> the extreme conditions will test the limits of the u.s. navy blue fin 21, beginning the slow painstaking process of mapping the ocean floor. >> people need to have patience. >> reporter: the navy captain says one mission takes 24 hours, two hours down, 16 hours scanning, two hours up and another four hours of downloading data from the side scan sonar which maps the ocean floor. >> you see the traces and the

outlines of the objects. >> reporter: his team also took this video of what the next step, the south is phase, would look like. underwater robots would grab pieces of the plane and pull them up. the shift would come with any large pieces. >> the bottom line is that it is a slow process. >> just beginning. the families could wait months or even years for the answers and closure they so desperately need. >> we'll have much more on the mystery of flight 370 later. including new information about the co-pilot cell phone, why was it still turned on after the rest of the communications had been shut down? that story is coming up in about 20 minutes right here on cnn. still to come, they call him a bulldog.

>> these other versions of yours cannot hold true. >> we will tell you how the prosecutor in oscar pistorius trial is your opinion to his testimony. >> am from a shiny silver to a burnt orange. what some lucky viewers might catch in the night sky in the hours ahead. we will take a lot. [ dog barks ] ♪ [ male announcer ] imagine the cars we drive... being able to see so clearly... to respond so intelligently and so quickly, they can help protect us from a world of unseen danger. it's the stuff of science fiction... minus the fiction. and it is mercedes-benz... today. see your authorized dealer for exceptional offers through mercedes-benz financial services.

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with brand-new versions. we take care of the heat, so you don't get burned. just another way we put members first, because we don't have shareholders. join the nation. ♪ nationwide is on your side ♪ in just a few hours many people in north and south america will want to gaze skyward. >> that is if they are still up. if they are up and away they will have a front row seats to the first total lunar eclipse of the year. that is when the moon passes into the earth's shattuck changing color to a reddish orange. >> the clips officially starts in less than an hour from now but peak viewing times will

begin in about three hours from now. >> we're joined live in austin, texas. >> he is at the university of texas. thanks for being with us. let's start by what we can expect to see in the hours ahead and as an astronomer what advice you give to us and what we should be looking for. >> sure, luckily for the different types of astronomical events you can see, lunar eclipses one of the easiest ones. they only happen when the moon is full just before the eclipse starts and go somewhere where you can see why in the southern sky. been in just a few hours from now you'll start to see the earth's shall pass in front of the men. from the time when the eclipse, the part you can tell when it starts until we get to the tall cliffs will take about an hour

and then it will be in that stage for a few hours and then it will take a few hours to come out. >> there are many lunar eclipses at various times of the year. what is making this special? >> there are few things. the conditions are right for the lunar eclipse two times the year. we know the moon orbits around the earth about once per month. you might think we would have a larry clips every month. it turns out the your bid is still a little little bit, five degrees out of the plane of our solar system. that means not only do they have to lineup but they have to line up when the moon happens to be crossing the plane. that only happens about twice per year. when that happens it has to line up just right that we get a total eclipse and are not a partial eclipse already very discernible one. that does not happen every time. this is special because we are about to enter a period where

four times in the next six months to 18 months we'll give four and a row. >> i believe you have a question? >> 5 is going to ask you about those. that is very rare. that is what we have to look forward to from now until september 2015. >> four total lunar eclipses in a row. they are actually not incredibly rare in this century but they can be and every six months you can get some type of eclipse. it tends to be rare that you get multiple total eclipses and rose so happens a few times this century but over many centuries it is a rare occurrence. >> why is the man read? what is it that color? >> it has nothing to do with blood. the reason why the moon glows red is the same reason the sun sets and rises on earth and it is red. and sunlight comes to the atmosphere, it interacts with

the atmosphere and the like tends to get scattered and not the way. or red light comes to the atmosphere and that is what is the son stepped the beautiful reddish orange risch color. imagine you are standing on the mend and you are seeing the earth sly in between you and the sun. right when the earth is blocking the sun, you can actually see this ring around the earth. that is light passing through the atmosphere on the edges of the year as. essentially you are seeing all of the sun rises and all of the sun sets at the same time. that light passes through and the blue light get scattered and only the light that passes through the atmosphere period. >> as an astronomer is there anything else you are looking at that the average astronomer will not see? are you looking for anything in

particular? >> i am not. i work on distant galaxies. i am a spectator like the rest of you guys out there. >> to finish up, is this the end of the world? is is our time? is this by design? armageddon? >> not the end of the world. most people will sleep right through it and won't know the difference. those of us that are setting an alarm we are in for quite a show. >> thanks. in austin, texas, giving us an astronomers view of what we can expect. ivan cabrera is a space geek and loves the planets. standing by. >> he came in just especially for this. >> you will be out howling at the men. >> he sounded disappointed the world was not going to end or

anything. would have been a good story. >> we would have them all over it. >> let's talk about day she pretty much covered everything. one thing he did not mention as mars is up there as well. it will be quite visible and then you will be able to see that as well. a spectacular event. we're going to be in the, which is the latin word for chateau. we will be in the moon, the that red light is going to get bent through the atmosphere. it will hit the moon and the moon reflects it back and it will be glowing blood red. the money shot will be beginning at 7:06 gmt if you're watching on the eastern coast of the

united states. that's about 3:06 eastern time. and then it will end in totality at 8:24 gmt. these are the times. at first you may not even notice it. it becomes a partial eclipse. something like you would see when the moon is in the stages here. but this will be the time that we'll be watching. now, unfortunately i will not be running out across the cnn deck and frightening security because in atlanta we have a completely clouded over sky. so we have an eclims already, unfortunately but i'll be pinpointing what areas across the united states we'll be able to see it in a few hours. >> we should note the most red part of the moon will last for what? about 78 minutes. >> that's correct. >> good you've got your notes there. >> yeah. i did some research. >> thanks.

>> and we'll bring you much more of the lunar eclipse including live reports from two viewing parties where people are gathering right now to watch the blood moon with their very own eyes. it is coming up in about 30 minutes right here on cnn. also ahead. he has no sympathy for oscar pistorius. why he says the track star is using his emotions to evade cross-examination.

welcome back. monday was another tough day on the witness tan for oscar pistorius. >> the chief prosecutor continue his intense prosecution trying to say he was not telling the truth about the night he shot and killed reeva steenkamp. >> the story is that he thought he was shooting an intruder.

>> reporter: a new week for a persistent prosecutor ready to move his cross-examination into its next phase. from attacking oscar pistorius' care -- >> it is not good for your credibility. will you accept that? >> now putting the state's case front and center. >> they struck at the heart of the charges about negligence and intention and even managed to cause doubt on the boundaries of his defense, casting doubts on his version of events. >> reporter: the difference is between two versions of events -- >> my argument would be that that blood spatter, when you carried the deceased past that area. what are you saying about that? >> i understand that, my lady. >> but on your version it cannot be. >> reporter: at times painful for the olympian to hear. >> you fired at reeva.

these other versions -- >> not true, my lady. >> why are you getting emotional now? >> i did not fire at reeva. >> reporter: now forcing him to recount the night he shot and killed his girlfriend reeva steenkamp who he allegedly thought was a burglar. >> i screamed get the [ bleep ] out of my house. >> the prosecution further detailing their narrative of that fateful night including his jeans found on the floor in the athlete's bedroom must have been left after they were arguing as she tried to escape an angry pistorius. >> she wanted to leave and get dressed. >> it was inside out so it makes sense. >> the prosecution asking the athlete a crucial question. if steenkamp was awake when he got out of bed to close the curtains, why didn't she ask him where he was going? >> normal people would say when

you get up, she would say where are you going? so you say you don't expect her to do that. >> my lady, i'm not even sure it to be a probability if. if someone gets up in the night that their partner would ask them what they're doing if they can't sleep. >> on monday the state taking the time to put on record to establish oscar pistorius' actions as the prosecutor says is not being unreasonable but possibly even being improbable. meanwhile, pistorius looking ahead, ignoring the prosecutor, directing his answers to the judge and repeating over and over again, it's not true. cnn pretoria. >> oscar pistorius is expected to face another day of intense questioning when his trial resumes a little more than three hours from now. we'll bring you that testimony live right here on cnn. >> but first on cnn newsroom, one flag is torn down. another goes up.

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welcome back to our viewers in the united states and around the world. >> a look at our top stories

this hour. u.s. president barack obama is urging russian president vladimir putin to press pro russian demonstrators to vacate buildings they've seize in the eastern ukraine. the unrest is only getting worse with ukraine's acting president proposing that the u.n. send in peace keeping troops. >> a u.s. robotic submarine joins the search for malaysian airlines flight 317. the bluefin 21 came up just six hours into what was meant to be a 16-hour long operation because it exceeded its depth limit. the search coordinator said air and surface operations for the aircraft most likely entered the water, will end in the next few days. oscar pistorius is scheduled to return to the witness stand in his trial in about three hours from now. it will be is south african's fifth day in cross-examination as the prosecution continues to try and show he murdered reeva steenkamp. he said he mistook her for an intruder.

the first total lunar eclipse of the year will be visible in north and south america during the early hours of tuesday. an orange colored moon known as a blood moon will illuminate the sky for those with clear weather. four total lunar eclims there's occur within the next year and a half. an uncommon event known as a tetrad. the acting ukrainian president. >> that could lead to greater autonomy for areas of the country. as jim sciutto reports, it might not be enough. >> reporter: in one eastern ukrainian town after another, pro russian militants storming government businesses and

seizing them at gumt. as the forces responded the sides exchanged gunfire killing at least one. today russian president vladimir putin said he is alarmed by the violence. but u.s. officials place the blame firmly on him and his government. >> russia continues to engage in provocative actions. in eastern ukraine. the mere presence of the troops in addition to what else they've done inside ukraine thee creates a threat of stabilization. >> unfortunately the fact is that the armed seizure of buildings in six eastern ukrainian towns yesterday and several more today mirrors the tactics russian forces use in the early stages of the crimean invasion. >> reporter: it is a charge russia flatly denies describing the protests as peaceful. and accusing the u.s. of orchestrating the demonstrations that overthrew ukraine arizona previous pro russian government. >> this is hypocrisy beyond any

limits. >> reporter: today white house confirmed that cia director john brennan was in kiev over the weekend saying the visit was part of a broader trip to europe. still the tensions are extending far beyond eastern ukraine. today a russian plane flew by at close quarters 12 times. the ship's attempts to reach the russian cockpit went unanswered. u.s. officials are still trying to find a diplomatic way to de-escalate the crisis so it continues. sending john kerry to geneva this week and vice president to ukraine next week. he leaves on the 22nd. all the while, u.s. officials are warning of more sanctions and further military maneuvers if russia escalates, which they accuse russia of doing now. those additional steps have yet to materialize. jim sciutto, cnn, washington. the west is rushing to

bolster the economy. officials approved more than $1 billion in aid to ukraine. they also temporarily cut the duty on ukrainian imports. the eu leaders may hold an emergency summit next week to impose further sanctions against moscow. >> we have decided today. we've taken the decision to expand the list that will now be some rapid and important work on the exact numbers and names of that, the decision today has been to expand the second tier of sanctions. >> meantime, u.s. treasury secretary jack lew signed a loan guarantee. and he says if they continue to escalate the situation in ukraine, there will be more consequences.

the unmanned sub mash being used in the search for flight 370 could be back in the water a few hours from now. >> the bluefin 21 was to spend canada is hours for the plane. it was only able to gather about six hours of data the first time searchers single it down. brian todd takes a look at the technology that investigators hope will lead to the plane's discovery. >> reporter: its manufacturer calls it the bluefin 21. it is technically known as an autonomous underwater vehicle or auv. for the people who rint it is -- >> a smart or the played over. >> reporter: right now it may be the best remaining hope for finding wreckage of flight 370. we were given exclusive airlines behind the scenes of phoenix international to see how it works. while it may launch from the side of the ship it is operated by remote control.

its job, not to listen for ping buzz to map the ocean floor and look for debris. to do that it can use two different pay loads which have to be swapped out. >> this particular payload section is the akoos particulars section. >> first it uses an echo sounder. it bounces sound waves off the ocean floor that aren't natural. if those are picked up the bluefin can be brought to the surface. high-tech cameras get put in. >> a hey tech camera capable of three frame per second. >> together they can create a detailed mostation of the ocean floor. if wreckage is down there, the bluefin will find it. >> the technology is good enough that we can resolve something that is, as small as a microwave. perhaps even smaller. >> it is not an easy or fast process. it takes vehicles two hours to dive to the bottom. 16 hours to search about a

16-mile section of the floor and two mores hours to return to the surface. then another four hours to download and analyze the data collected. that means just one mission of the bluefin 21 takes at least 24 hours to complete meaning the search could drag on. >> given the size of the search area, that could take six, eight weeks. it is a weeks and months tape problem to cover that am of area. >> if the bluefin does find debris. >> this is the machine that can recover it. this remotely operated vehicle that can go very deep in the ocean with manipulator arms can pick up all sorts of debris and a black box. it can recover the wreckage from air flight 447. but team had already found some debris and knew where to look. the search area in the indian ocean is much wider and more uncertain. >> may not time it's been revealed the first officer had his mobile phone on around the

time the plane vanished from radar. a signal was picked up by a cell tower in malaysia. here's a look at what this could may not for investigators. >> sources tell cnn first officer's cell phone was on and searching for service roughly half an hour after all of the communications mysteriously shut off. information, cnn has learned that malaysian authorities first gave to the u.s. a while ago. >> it would be very rare to have someone with a cell phone on in the cockpit. it is never supposed to be on at all. part of every check list of every airline i'm familiar with. >> sources say they told the u.s. that a cell power, roughly 250 mail from where the plane turned around, picked up a roaming signal suggesting his was the only phone turned on after the flight's transponder turned off. one u.s. official told cnn, he could have tried to do something with the phone. we don't know.

>> the interesting thing about that is that no other phones connected to it. it is specifically his cell phone. >> while u.s. and malaysian officials caution there is no evidence the first officer tried to make a call with the phone on. sunday marks lash a's transport minister did not deny the possibility. >> as far as i know, no, that would be in the realm of the police. and the international agencies. and when the time comes it will be revealed. but i done want to speculate on that at the moment. >> when the plane first went missing, authorities said millions of cell phone records were searched looking for evidence calls had been made from the plane but turned up nothing. still, if his phone connected with the tower it only adds to the evidence that the plane turned westward from its planned path and that the plane was likely flying low enough for a cell tower to pick up the signal. >> it makes me think perhaps it was a little lower than the 35,000 feet that we speculated because it did make the

connection. typically there's not even time to do that. but they were still high enough in which it just made the connection and there was no long period of time. >> what this information doesn't tell us according to officials was a motive and who was alive and who was not at the time the cell tower detected the phone. the aircraft never had a cell phone system installed. and to reiterate this information was shared by the malaysians with u.s. investigators and the malaysians could be privy to other information that we don't know about. >> cnn, washington. still to come on cnn newsroom. the sticity of boston, massachusetts, prepares for the marathon. >> and we'll share how some runners are feeling as they reflect on last year's bombings. u can rely on. with centurylink as your trusted it partner, you'll experience reliable uptime for the network and services you depend on.

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today marks one year since the boston marathon bombings. >> the tragedy sent shock waves throughout the u.s. two bombs went off seconds apart near the marathon finish line killing three people and injuring at least 264 others. some seriously. >> police investigators identified two brothers as the bombers. the elder brother was killed in a police shoot-out, also from injuries after he was run over by his brother. he remains in u.s. custody. his trial is set for november this year when prosecutors say they will seek the death penalty. this year's boston marathon is less than one week away as runners prepare to take on the course. some returning and some for the first time. many say it is likely to be an emotional experience. but alexandra reports, they are more determined than ever.

>> reporter: a freshly painted finish line and with it a beginning for 36,000 runners ready to cross it. >> april 15th last year was the hardest day i've had since, you know, the fall of 2001. the emotions and feelings came crashing back. >> reporter: when the bombs went off at last year's marathon, sally's husband, a runner, had just reached mile 25. he was unharmed but she quickly became determined. >> i knew pretty much right away after last year's bombings that i was going on run no matter what. and there was nothing that could stop me from being a part of it. it was such an emotional, crazy time. >> reporter: for her it was all too similar to that september day almost 12 years before. her brother teddy maloney who worked at the world trade center never came home. >> i think that i feel very strongly that they can't keep us down and these kinds of events, these terrorist acts that keep

happening, you know, we need to rise above them. >> reporter: this year running the boston marathon will still be a feat for the elite but also a job for runners with unfinished business and an opportunity for anyone who saw the devastation and wants to help heal the heart break. >> this being my first marathon, i'm really thinking i'm overwhelmed at times but then i say i have to practice what i preach. so i'm healing myself. >> reporter: she is a clinical social worker at massachusetts general hospital and a first time marathoner. she is busy training but also, coaching other athletes for the mental hurdles they could face this year at every mile. >> ptsd doesn't come up until probably three to six months after an event. and many times if people don't work on what the issue is, then they may reexperience it. so not being at the course, not training again on the course and then all of that might become a

flooding experience. with too many emotions. >> putting one foot in front of the other she's spent years learning to move forward in the face of devastating loss. this year she may help show others the way. >> i think that you just have to stick with your routine and breathe in and breathe out every day and the anniversary will come and be very, very emotional. but you move through it and feel a sense of relief as you get past that day. >> alexandra field, cnn, greenwich, connecticut. still to come on cnn newsroom, they call it the blood moon. >> we'll tell you why you'll get another chance to see it if you've missed the total eclipse a little later tonight. [ male announcer ] this is joe woods' first day of work. and his new boss told him two things -- cook what you love, and save your money. joe doesn't know it yet, but he'll work his way up from busser to waiter to chef before opening a restaurant specializing in fish and game from the great northwest.

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welcome back. if you're in the united states be sure to take a look outside in a few hours.

>> yeah. this is what you'll be looking for. it is called a blood moon and it happens during a total lunar eclims. the event will be the first in a series of four total eclipses within the next year and a half. >> people in parts of south america and the pacific will also be able to catch a glimpse as the moon slides into the earth's shadow. the blood color display will be easiest to see a little more than two hours from now. >> let's get more on what we can expect to see. we're joined by, paul is at the griffith observatory in los angeles. nick is in mexico city but i think we're having a few problems with his live shot so we'll go to paul in los angeles. it is a party, full swing. how is the view? is it a good night for it? >> reporter: it is a terrific and spectacular night for both john and rosemary. we've got these pilgrims that have come to the top of the observatory. there is a very powerful

telescope. they'll get a free glimpse. you alluded to a party. we have a garden of amateur telescopes. quite amazing to see people, kids who will undoubtedly be late for school tomorrow. we've got jean, an astronomer. and for you, this lunar eclipse is what? >> excitement beyond compare. this is a rare event that a lot of people don't get to see. tonight we'll be able to see it go total. about midnight. a little after midnight. and it is excitement for me and excitement for everybody else. you have people looking down at their cell phones, their ipads. they're down. this is a chance to look up. we get a chance to look up and see the beauty of the sky and rare event. >> well said. we appreciate your taking time out. the teacher in him saying he needs people to look up. we talked to the director. he said it will be very copper red with a white ring around it

and right above it. take a note of this. it will be a live feed. we have mars tonight so quite a spectacular view. john and rosemary, back to you. >> thank you for that. live at the griffith observatory in los angeles. let's go to nick parker who is standing by in mexico city with the view from there. what is happening over there? how is the party? >> reporter: john, there is a great feeling of excitement at mexico's society. for most of the day there was a very violent electrical storm and a lot of cloud cover so hopes weren't very high that they would actually be able to see anything. in the last half-hour the skies have opened. the clouds parted and we now have a nice bright pale man just behind us. so there's a real feeling of enthusiasm and excitement amongst the 70 students gathered here this evening. it is well worth remembering, mexico has an extremely rich

tradition of astronomy stretching way back to the precolonial times when the aztecs and mayans used astronomy to create their own calendars. so a long tradition of astronomy in the country. this society itself stretching back to 1902 when it was founded. one of the oldest in the world. so joining me now is aldo one of the members and a student. why do you think there is so much enthusiasm for the blood red moon? >> i have to say we were just expecting a little people about, we're just excited to see about 100 people gather hear just to watch the eclipse. the phenomenon for the moon. i'm really happy about that. and reach in the people. very young people, kids, teenagers, students from all ages. that's very good, very kind.

because we can make now the people getting interested in the science. more of the people don't have access to this kind of science, physics, chemistry, biology, for example. but now we can share with them astronomy event. this size with this moon. >> thank you very much for joining us. and we'll speak to you a little later. so just about one hour to go before we start seeing visible signs of this eclipse. certainly a real feeling of excitement in mexico city. back to you. >> all right. nick parker in mexico city. many thanks to you and also thanks to paul in los angeles. >> all right. so we've had a little glimpse of the weather in mexico city. it is starting to clear up. what will the weather be like elsewhere? >> here's a look. >> if you're there, can you imagine the weather ruining it for you? >> or if you had to work. if you were stuck inside.

>> it is cloudy here any way. >> there is a ceiling above me. i won't be able to see a thing. even if i went outside in atlanta it is a mess. the southeastern u.s. has been getting hit with some nasty thunderstorms. and those cloud tops going to the stratosphere. clear sky across the mid section of the united states and a lot of clear weather toward south america. not too bad there. this is where we have the entire total eclipse visible if you're in the red shaded area. not going to be as exciting for you because it is a partial eclipse so you won't get that blood moon effect going. there are the thunderstorms i was referring to. texas just about to exit here. so i think we'll actually clear out nicely. but look at all the cloud cover across the big cities. there are pockets of clearer skies so you may get a window and may be able to get to see it. but this across the mid section, definitely here. some clouds across the northwest

but l.a. fantastic. further down south, he was talking about the thunderstorm activity. look at mexico city, some explosive thunderstorms earlier. now those are beginning to push off to the east. so conditions are clearing out there but it won't be completely clear they'll have that haze to it as well. so here are the times. this is what we're talking about. 7:06 gmt, that's when the total eclipse begins. that's when the moon will turn blood red. then by 8:24, then we're done. a cheat sheet for the eastern united states so you don't have to put it into gmt time. 3:06 a.m. to 4:24 a.m. if you're up during those times, you'll be able to see it. clouds permitting. and some areas won't see it at all because it is going to be either cloudy or in some cases, raining.

guys? >> we'll be up. we'll be up. >> did you know the incas thought it was a giant eating the moon and then once he ate the moon he would come eat all the people on earth. >> sounds like a game of thrones episode. dragons and what not. >> thanks for joining us for this hour of cnn newsroom. >> please stay tuned for special report with don lemon. -- captions by vitac -- www.vitac.com

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