A comet's tail always points away from the sun.
2
Lightning strikes about 6,000 times per minute on this planet!
158
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
The earth is .02 degrees hotter during a full moon.
157
It 'snows' metal on Venus.
13
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
Only 55% of Americans know that the sun is a star.
986
Astronauts get taller when they are in space.
224