The Quadrantids meteor shower is happening now and its peak, when it can produce up to 200 shooting stars an hour, is just ...
The shower gets its name because the meteors appear to be coming from the direction of the constellation Draco the Dragon. But the Draconids are sometimes referred to as the Giacobinids in honor ...
The Helix Nebula is an example of a planetary nebula. Though it looks like a bubble or eye from Earth's point of view, the Helix is actually a trillion-mile-long tunnel of glowing gases.