Astronauts cannot burp in space.
232
Pluto is smaller than Russia.
9
Summer on Uranus lasts for 21 years.
358
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
Some asteroids have other asteroids orbiting them.
131
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147