Anonymous asked 1/31/2014

After how many years does the calendar repeat itself ?

Anonymous asked 1/13/2014

Which planets have the largest accelerations of gravity?

Anonymous asked 12/28/2013

Should Pluto become a planet again?

Anonymous asked 12/27/2013

What is a planet?

Anonymous asked 12/21/2013

Does venus have an atmosphere and a magnetic field?

Anonymous asked 12/12/2013

what does the earth weigh in pounds?

Anonymous asked 12/8/2013

Is Neptune made of mostly gas or rock?

Anonymous asked 12/6/2013

What is the milky way made out of and where is it in the galaxy?

Anonymous asked 11/28/2013

Why is the sun important to our planet?

Anita Dweells asked 11/24/2013

Will humans ever be able to explore beyond the solar-system and build a new world?

Yo Kass asked 11/23/2013

What's the likelihood of humans colonizing Titan anytime soon?

Yo Kass asked 11/18/2013

What is a singularity in astronomy?

Brenda Everett asked 11/4/2013

What are some nice things about Mondays?

Anonymous asked 10/11/2013

What would happen if the Earth stopped it’s rotation?

Ron Payne asked 8/24/2013

Can anyone guess what the REAL color of the sun is?

Anonymous asked 8/15/2013

What's the interior part of the sun like?

Anonymous asked 8/13/2013

What is a shooting star actually?

Anonymous asked 8/9/2013

What is the next "big" NASA mission going to be?

Anonymous asked 7/6/2013

Are there really huge ditches on the surface of the moon?

Anonymous asked 6/28/2013

How much time would Earth have taken to come in its novel form after being detached from sun? Why?