The light hitting the earth right now is 30 thousand years old.
163
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Pluto is smaller than Russia.
9
The earth travels through space at 660,000 miles per hour.
189
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
It 'snows' metal on Venus.
13