The light hitting the earth right now is 30 thousand years old.
163
A comet's tail always points away from the sun.
2
Summer on Uranus lasts for 21 years.
358
Pluto is smaller than Russia.
9
Astronauts cannot burp in space.
232
Jupiter is bigger than all the other planets combined.
254
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Today's top fuel dragsters take off with more force than the space shuttle.
120