19 Stars In The Throes Of Death

If you're lucky, you'll die in your sleep. Massive stars, however, try and stave off death for trillions of years; fighting to keep burning until eventually they collapse into themselves. At the very end, they'll violently explode into a beautifully colored gaseous display — a supernova — before silently slinking into the cosmos, unnoticed, another lonely white dwarf.

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nasa.gov

The closest of our dying friends, the Helix nebula, is a planetary nebulae — the class of stars mistakenly named after their resemblance to planets — is all that remains from a star that had as much light and heat as the Sun.