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Learn and share some interesting facts about space, covering the planets, solar system, space exploration, galaxies and more.

  • The Universe is probably about 15 billion years old, but the estimations vary.
  • There may be a huge black hole in the very middle of the most of the galaxies.
  • If you fell into a black hole, you would stretch like spaghetti.
    Space Facts

    In space, astronauts cannot cry, because there is no gravity, so the tears can’t flow.

  • The Sun travels around the galaxy once every 200 million years.
  • A day on Mercury lasts approximately as long as 59 days on Earth.
  • The first space telescope was the Copernicus, sent out in 1972.
  • Nicolaus Copernicus was the astronomer who first suggested that the Sun was the center, and that the Earth went round the sun.
  • From the moon, astronauts brought back 380 kg of Moon rock.
  • If you put Saturn in water it would float.
  • Uranus was originally called George’s Star.
  • If two pieces of metal touch in space, they become permanently stuck together.
  • In 2004, astronomers discovered a star made entirely of diamonds.
  • Weightlessness makes astronauts grow several centimeters during a long mission.
  • Our Galaxy – the Milky Way is spinning at a rate of 225 kilometers per second.
  • The red color of Mars is due to oxidized (rusted) iron in its soil.
  • Every year the moon moves about 3.8cm further away from the Earth.
  • Stars twinkle because we see them through the wafting of the atmosphere.

Check out our most interesting collection of planet facts!

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