The earth travels through space at 660,000 miles per hour.
189
Today's top fuel dragsters take off with more force than the space shuttle.
120
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Lightning strikes about 6,000 times per minute on this planet!
158
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Summer on Uranus lasts for 21 years.
358
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5