Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
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
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
It takes eight and a half minutes for light to get from the sun to earth.
159
Astronauts get taller when they are in space.
224
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194