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
Astronauts cannot burp in space.
232
Jupiter is bigger than all the other planets combined.
254
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
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
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Pluto is smaller than Russia.
9