41% of the moon is not visible from earth at any time.
103
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
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
If two pieces of metal touch in space, they become permanently stuck together.
808
Venus is the only planet that rotates clockwise.
310
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20