Jupiter is bigger than all the other planets combined.
254
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Summer on Uranus lasts for 21 years.
358
There are two golf balls sitting on the moon.
721
It would take more than 150 years to drive a car to the sun.
569