If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Lightning strikes about 6,000 times per minute on this planet!
158
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
Some asteroids have other asteroids orbiting them.
131
More than 20 million meteoroids enter Earth's atmosphere every day.
139
The heart of an astronaut actually gets smaller when in outer space.
216