Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Only 55% of Americans know that the sun is a star.
986
It would take more than 150 years to drive a car to the sun.
569
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
A comet's tail always points away from the sun.
2
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20