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
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
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
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6