Jupiter is bigger than all the other planets combined.
254
The light hitting the earth right now is 30 thousand years old.
163
More than 20 million meteoroids enter Earth's atmosphere every day.
139
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
It 'snows' metal on Venus.
13
41% of the moon is not visible from earth at any time.
103