The light hitting the earth right now is 30 thousand years old.
163
Sound doesn't travel in space.
255
The earth travels through space at 660,000 miles per hour.
189
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
41% of the moon is not visible from earth at any time.
103
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219