The heart of an astronaut actually gets smaller when in outer space.
216
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
The earth rotates more slowly on its axis in March than in September.
145
Jupiter is bigger than all the other planets combined.
254
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
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277