>> from our studios in new york city, this is "charlie rose." charlie: neil degrasse tyson is here. many know him as the most powerful nerd in the universe. he calls himself simply a servant of science. he's the director of the planetarium in new york. he is also the host of a new post on the geographic channel called "star talk" to bring the universe down to earth. i'm pleased to have him back at this table. welcome. neil: thank you. we go way back. my first time was in the 1990's. i feel like a part of the family. thank you. charlie: congratulations on "s tar talk" on television. neil: we think it is the first time ever of there being a science talk show on television. we didn't do it for that purpose, but it turned out that way. charlie: what i like in reading about it is that they came to you wanting to do a television show. and you said why don't you just