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
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
The light hitting the earth right now is 30 thousand years old.
163
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
The earth rotates more slowly on its axis in March than in September.
145
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11