In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
A comet's tail always points away from the sun.
2
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
Pluto is smaller than Russia.
9