Your like the much cooler Bill Nye the Science guy!

Your videos r realy educating

Your videos are awesome man! Keep it up!

Later

hi my name is djkapil and i would like that u become my friend and i have subcribe u please subcribe back

thx in advance for your subcription and tell me if you like my account

see you bro hope u enjoy watching my videos:)

Hi,

What is your view about the Year 2012?

Thanks!

is your book kid friendly? i love astronomy and id love to read your book but i was wondering if its kid friendly. im 15 if that helps

I am looking forward to upcoming experiments at the CERN atom smasher. There are a lot of really neat things we could learn about really small particles. Even if the information obtained proves to be of no practical use, people might come up with some really cool new theories about stuff and there's only a small chance that these experiments could go awry and destroy the planet, or even really hurt France or Switzerland much. To boldly go where no man has gone before - party on, scientists!

hey i realy want to know this, is gravity sort of like magic i mean its an invisible force like the wind. come to think of it is wind sort of like magic plz answer this ive wanted to know this for a while

How close will the Andromeda Galaxy have to be to affect us, assuming there is a super-massive black hole at the center of it.

corrections:
before* 4th line
planets* 5th line

;)