The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Sound doesn't travel in space.
255
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The light hitting the earth right now is 30 thousand years old.
163
Summer on Uranus lasts for 21 years.
358
41% of the moon is not visible from earth at any time.
103
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
A comet's tail always points away from the sun.
2