Cosmology
Appearance
Cosmology: The Study of the Universe
What we think we know:
- The Universe is 13.7 billion years old (with a margin of 200 million years).
- The Universe is 156 Billion light-years wide.
- The Milky Way galaxy is approxiamately 13.6 billion years old (with a margin of 800 million years).
Interesting articles/links
Related pages
Almost everything here at WikiWorld. ;-)