41% of the moon is not visible from earth at any time.
103
Pluto is smaller than Russia.
9
The earth rotates more slowly on its axis in March than in September.
145
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
Summer on Uranus lasts for 21 years.
358
Earth is the only planet in our solar system that's not named after a god or goddess.
17
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