One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
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
Sound doesn't travel in space.
255
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
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7