A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
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
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
Astronauts get taller when they are in space.
224
The light hitting the earth right now is 30 thousand years old.
163