An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
When a massive power outage struck southern California in the 1990s, Los Angeles residents reportedly called 911 to express alarm about strange clouds hovering overhead; they were seeing the Milky Way for the first time.
31
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
It would take more than 150 years to drive a car to the sun.
569
Pluto is smaller than Russia.
9
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