Sound doesn't travel in space.
255
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
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
Pluto is smaller than Russia.
9
It 'snows' metal on Venus.
13