Sound doesn't travel in space.
255
Buzz Aldrin’s mother’s maiden name was Moon.
9
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
If two pieces of metal touch in space, they become permanently stuck together.
808
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
There are two golf balls sitting on the moon.
721
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
