More than 20 million meteoroids enter Earth's atmosphere every day.
139
A comet's tail always points away from the sun.
2
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Venus is the only planet that rotates clockwise.
310
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236