41% of the moon is not visible from earth at any time.
103
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
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
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Only 55% of Americans know that the sun is a star.
986
The earth rotates more slowly on its axis in March than in September.
145
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178