Astronauts get taller when they are in space.
224
The earth rotates more slowly on its axis in March than in September.
145
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
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
The light hitting the earth right now is 30 thousand years old.
163
The Earth gets 100 tons heavier every day due to falling space dust.
673
