It takes eight and a half minutes for light to get from the sun to earth.
159
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Astronauts get taller when they are in space.
224
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
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
Today's top fuel dragsters take off with more force than the space shuttle.
120
More than 20 million meteoroids enter Earth's atmosphere every day.
139