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
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Sound doesn't travel in space.
255
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