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
Jupiter is bigger than all the other planets combined.
254
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
A comet's tail always points away from the sun.
2
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
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