A comet's tail always points away from the sun.
2
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
The light hitting the earth right now is 30 thousand years old.
163
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
If two pieces of metal touch in space, they become permanently stuck together.
808
Jupiter is bigger than all the other planets combined.
254