In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The Earth gets 100 tons heavier every day due to falling space dust.
673
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
It 'snows' metal on Venus.
13
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Astronauts get taller when they are in space.
224