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
Astronauts get taller when they are in space.
224
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
Today's top fuel dragsters take off with more force than the space shuttle.
120
A comet's tail always points away from the sun.
2
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
A 100-pound person on Earth would weigh 38 pounds on Mars.
102