Planetary Nebula: An ionised shell of gas expelled by a dying star in the late stages of stellar evolution. Central Star: The remnant core of a star that emits high-energy radiation, ...

Thanks to the James Webb telescope, we can now see the nebula with more clarity. As one expert says, "We always knew planetary nebulae were pretty. What we see now is spectacular." ...

One of just a few planetary nebulae in Charles Messier’s catalog, the Ring Nebula (M57) looks just as its name indicates: a ring-shaped cloud in space, glowing green. Mark Hanson ...

K3-35 is an emission-line nebula that contains a bipolar precessing jet, which is the origin of strong emission from N +, emanating from a bright core 5,6.These structures are embedded in an ...

A planetary nebula is an astronomical object consisting of a glowing shell of gas and plasma formed by certain types of stars at the end of their lives. They are in fact unrelated to planets; the ...

Planetary nebula: The Helix Nebula. This is composed of expanding gas that was blown off by a star as it collapsed to a white dwarf. (Image credit: NASA, ESA, J. Hester, A. Loll (ASU)) ...

Something is amiss in the Butterfly Nebula. When astronomers compared two exposures of this planetary nebula that had been taken by the Hubble Space Telescope in 2009 and 2020, they saw dramatic ...

Gazing into a planetary nebula 2,500 light-years away in space may remind people the sun will eventually die, too. WIll it also go out with a light show?

Planetary nebula seen through space telescope. Posted: April 16, 2025 | Last updated: April 16, 2025. Gas and dust ejected by a dying star at the heart of NGC 1514, also known as the crystal ball ...

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 ...