The one with the long hair kind o looks like Roger Daltrey

You aren't alone.

I can guaran-damn-tee you that you'd be wrong. I'm a big fan of the cosmos

I mean really, this guy broke hearts all over the world by telling them Pluto isn't a planet. If you missed the show with him arguing with a bunch of 3rd graders you should look it up.

And I'm serious, if I had to guess I'd say it's kim but I wouldn't bet money on it

I saw some of his video from the 102 Minutes 9/11 movie. After that I read his first-hand account. Much more human and not so much scientist.
http://www.haydenplanetarium.org/tyson/read/2001/09/12/the-horror-the-horror

You should follow him on twitter

You mean that's not him?

Fuck no. I don't have a twitter account and I wouldn't be bothered to follow anyone. I occasionally read or come across a Tweet that is timely or comical but "following" another human being?

And our raghead-in-chief wants to bring more mooslems into our country

Maybe it is. I haven't seen him in person since the 70's