everything that exists
- The universe is filled with planets,stars,galaxies,dust clouds,light,and even time.
- The universe contains millions of galaxies each containing millions or billions of stars.
- Before the birth of the universe time,space,and matter did not exists.
- The universe is so big.
- Scientists believe it began with the big bang
- The universe is so big that it would take a jet fighter more than a million year to reach a star to the sun.
- no one knows the exact side of the universe
- the universe has not always been the same size
- a visible universe is at least 93 billion light years across.
- The universe is everything.