A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
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
It takes eight and a half minutes for light to get from the sun to earth.
159
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Summer on Uranus lasts for 21 years.
358