In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
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
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
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18