An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
It 'snows' metal on Venus.
13
The light hitting the earth right now is 30 thousand years old.
163
It would take more than 150 years to drive a car to the sun.
569
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
A comet's tail always points away from the sun.
2
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14