The Helix Nebula is approximately 694 light-years away from the Solar System. Despite this seemingly immense distance, it holds the title of the closest planetary nebula to Earth. It is often referred ...

Planetary nebulas are made by dying stars about the size of our sun. One of the most famous is called the Helix or Eye of God Nebula, officially NGC7293.

A shrieking skull, a cackling witch, a ghostly hand and other cosmic illusions haunt our skies. Which do you think is the spookiest object in the universe? When you purchase through links on our site, ...