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
Pluto is smaller than Russia.
9
Summer on Uranus lasts for 21 years.
358
NASA invented baby food as we know it today.
7
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10