One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Pluto is smaller than Russia.
9
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
It 'snows' metal on Venus.
13
A comet's tail always points away from the sun.
2
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
If NASA sent birds into space they would soon die; they need gravity to swallow.
146