The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
If two pieces of metal touch in space, they become permanently stuck together.
808
More than 20 million meteoroids enter Earth's atmosphere every day.
139
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Venus is the only planet that rotates clockwise.
310