Space Facts

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.
  

  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!