How many light years away is the center of the milkyway?

My mom, brother, and I just had a conversation about this. So.. anyone care to explain it to me? :)

How many muscles does it take to smile 17,31,57?

I have to do a project about sond and light waves and I need to know if a light wave is a transverse wave or a longitudinal w...

How many standard time zones are there in the world ?

How many days does it take for saturn to revolve around the sun?

What is the speed of light through perspex a plastic with an index of refraction of 1.495?

I was melting butter on the stove and I noticed that the butter moved away from the center of the pan on the eye. so the midd...

how many faces does a rectangular prism have? And how many vertices

Star Trek takes place in the 2200's and in the Star Trek Universe FTL (Faster than Light) speeds were developed in 2062. Sta...

How many atoms is an average person made up of. I know that the Universe contains about 10^80 atoms. Does anyone know how m...