(Please attempt/guess/answer the poll before reading the 'spoilered' calculations.) A question I've pondered, on occasion, is how much "mass" is in a 'planetary nebula' (the kind of nebula which ...

New Hubble images of the Egg Nebula in the constellation Cygnus brings us the clearest look at the first, youngest, and ...

The Butterfly Nebula is changing, and astronomers are puzzled as to why these changes are occurring. Observations of this planetary nebula show dramatic changes in the butterfly’s ‘wings’ in just 11 ...

For new observers, the night sky appears to be a monochrome scene of black and white. Although astronomy books and websites are replete with objects revealing vivid reds, pinks, blues, and greens, ...

Planetary nebulae represent a brief, yet illuminating, phase in the evolution of low- to intermediate-mass stars. These glowing shells of ionised gas are shed in the late stages of stellar development ...

James Webb has revealed that the Butterfly Nebula hides a complex mix of gemstone-like crystals, fiery dust, and unexpected carbon molecules. The discovery may rewrite how we understand the chemistry ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Known as one of the most complex nebulae in the universe, NGC 6543 ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The planetary nebula NGC 6302 is one the most-studied of cosmic ...