The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
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 typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
Sound doesn't travel in space.
255
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Jupiter is bigger than all the other planets combined.
254