The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
If two pieces of metal touch in space, they become permanently stuck together.
808
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
Sound doesn't travel in space.
255