There are two golf balls sitting on the moon.
721
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
If two pieces of metal touch in space, they become permanently stuck together.
808
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
Sound doesn't travel in space.
255
The earth travels through space at 660,000 miles per hour.
189