One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
Only 55% of Americans know that the sun is a star.
986
Astronauts cannot burp in space.
232
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
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
Mars had an oxygen-rich atmosphere around 4 billion years ago
13