A 100-pound person on Earth would weigh 38 pounds on Mars.
102
41% of the moon is not visible from earth at any time.
103
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
The earth rotates more slowly on its axis in March than in September.
145
Venus is the only planet that rotates clockwise.
310
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
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175