1. Sun travels around the galaxy once every 200 million years
2. day in Mercury lasts approximately as long as 59 days on earth.
3. Life is known to exist only on Earth
4. There may be a huge black hole in the very middle of the most of the galaxies.
5. Milky Way galaxy we live in: is one among the BILLIONS in space.
6. Earth has more than 1 moon
7. Venus’s day is longer than its year
8. There’s a giant cloud of alcohol in Sagittarius B
9. Sun’s rays on your skin are 30,000 years old
10.It takes 225 million years for our Sun to travel round the galaxy
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