In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
It 'snows' metal on Venus.
13
Astronauts get taller when they are in space.
224
Astronauts cannot burp in space.
232
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
There are two golf balls sitting on the moon.
721
Jupiter is bigger than all the other planets combined.
254
