If two pieces of metal touch in space, they become permanently stuck together.
808
The sun is 330,330 times larger than the earth!
190
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
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
Lightning strikes about 6,000 times per minute on this planet!
158
There are two golf balls sitting on the moon.
721
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