The earth travels through space at 660,000 miles per hour.
189
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
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
It would take more than 150 years to drive a car to the sun.
569
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
More than 20 million meteoroids enter Earth's atmosphere every day.
139
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277