The Earth gets 100 tons heavier every day due to falling space dust.
673
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
There are two golf balls sitting on the moon.
721
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Lightning strikes about 6,000 times per minute on this planet!
158
The earth rotates more slowly on its axis in March than in September.
145
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219