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
More than 20 million meteoroids enter Earth's atmosphere every day.
139
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Astronauts cannot burp in space.
232
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
Mars had an oxygen-rich atmosphere around 4 billion years ago
13