More than 20 million meteoroids enter Earth's atmosphere every day.
139
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
Pluto is smaller than Russia.
9
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
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
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
If two pieces of metal touch in space, they become permanently stuck together.
808
Astronauts cannot burp in space.
232