Astronauts cannot burp in space.
232
A comet's tail always points away from the sun.
2
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9