In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
Venus is the only planet that rotates clockwise.
310
Jupiter is bigger than all the other planets combined.
254
If two pieces of metal touch in space, they become permanently stuck together.
808
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Jupiter's moon Ganymede, is larger than the planet Mercury!
149