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Abell 30 is a planetary nebula where the central star has blasted out a last gasp of energy, also expelling high-velocity gas. See text for details.

Abell 30: A star that died, was reborn, then died again

By Phil Plait 5 years ago

Combined visible light image from the Gemini observatory (blue) and SMA submillimeter light (red) show the complex hourglass shape of the gas and dust expanding from away from Nova Vulpeculae 1670. Credit: ESO/T. Kamiński

What do you get when a white dwarf eats a brown dwarf? A very, very energetic cosmic belch.

By Phil Plait 6 years ago

NGC 6826 is a planetary nebula, a dying star whose light is causing previously expelled gas around it to glow.

Good (?) news: The Sun will form a planetary nebula when it dies after all!

By Phil Plait 6 years ago

The protoplanetary nebula IRAS 22036+5306, a dying star about 6,500 light years away. Credit: ESA/Hubble & NASA

The last gasp of a dying star

By Phil Plait 6 years ago

The giant Keck telescope got a similar view of the lensed supernova iPTFgeu in the infrared (right) versus Hubble (left). Credit: NASA/ESA/Hubble & W. M. Keck Observatory

Gravity warps a supernova into a quadruple play

By Phil Plait 6 years ago

A brown dwarf orbits a white dwarf in this artist's rendition.

WD 1202 is a weird binary: One of the stars used to be inside the other one!

By Phil Plait 7 years ago