10 Space Facts

  1. Space is completely silent. There is no atmosphere in space, which means that sound has no medium or way to travel to be heard.
  2. Venus is the hottest planet in the solar system and has an average surface temperature of around 450° C.
  3. Nobody knows how many stars are in space.
  4. Neutron stars are the densest and tiniest stars in the known universe, and those stars can spin 600 times per second.
  5. The footprints on the moon will be there for 100 million years.
  6. If two pieces of the same type of metal touch in space, then they will permanently bond. This incredible fact is also known as cold welding.
  7. There is a volcano on Mars three times the size of Mount Everest, named Olympus Mons.
  8. You wouldn’t be able to walk on Jupiter, Saturn, Uranus, or Neptune because they have no solid surface!
  9. There is ice everywhere in our solar system.
  10. Mercury is still shrinking 4.5 billion years after the solar system was formed.

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