Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
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