The earth travels through space at 660,000 miles per hour.
189
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Astronauts cannot burp in space.
232
The population of the Earth has more than doubled since 1950.
151
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
If two pieces of metal touch in space, they become permanently stuck together.
808
The Earth gets 100 tons heavier every day due to falling space dust.
673