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
Summer on Uranus lasts for 21 years.
358
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Today's top fuel dragsters take off with more force than the space shuttle.
120
Sound doesn't travel in space.
255
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
More than 20 million meteoroids enter Earth's atmosphere every day.
139