If two pieces of metal touch in space, they become permanently stuck together.
808
The heart of an astronaut actually gets smaller when in outer space.
216
A comet's tail always points away from the sun.
2
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
The earth rotates more slowly on its axis in March than in September.
145
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
Sound doesn't travel in space.
255