The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
Sound doesn't travel in space.
255
It would take more than 150 years to drive a car to the sun.
569
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
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
Astronauts cannot burp in space.
232