The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Summer on Uranus lasts for 21 years.
358
Some asteroids have other asteroids orbiting them.
131
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
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175