Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
The sun is 330,330 times larger than the earth!
190
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
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
It would take more than 150 years to drive a car to the sun.
569
Astronauts get taller when they are in space.
224
The heart of an astronaut actually gets smaller when in outer space.
216