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
The light hitting the earth right now is 30 thousand years old.
163
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
Summer on Uranus lasts for 21 years.
358
The population of the Earth has more than doubled since 1950.
151
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10