There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
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
The sun is 330,330 times larger than the earth!
190
The earth rotates more slowly on its axis in March than in September.
145
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
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
Sound doesn't travel in space.
255
The light hitting the earth right now is 30 thousand years old.
163