In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
It takes eight and a half minutes for light to get from the sun to earth.
159
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
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
Lightning strikes about 6,000 times per minute on this planet!
158
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
