One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
More than 20 million meteoroids enter Earth's atmosphere every day.
139
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
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
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Astronauts get taller when they are in space.
224
Jupiter is bigger than all the other planets combined.
254