One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The light hitting the earth right now is 30 thousand years old.
163
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Sound doesn't travel in space.
255
It would take more than 150 years to drive a car to the sun.
569
Jupiter is bigger than all the other planets combined.
254
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Astronauts get taller when they are in space.
224
Some asteroids have other asteroids orbiting them.
131
41% of the moon is not visible from earth at any time.
103
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Astronauts cannot burp in space.
232
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
It takes eight and a half minutes for light to get from the sun to earth.
159