More than 20 million meteoroids enter Earth's atmosphere every day.
139
41% of the moon is not visible from earth at any time.
103
Pluto is smaller than Russia.
9
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
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Summer on Uranus lasts for 21 years.
358