The Blue Ring Nebula | NASA Jet Propulsion Laboratory (JPL)
Nov 18, 2020 · The Blue Ring Nebula consists of two expanding cones of gas ejected into space by a stellar merger. As the gas cools, it forms hydrogen molecules that collide with particles in …
16-Year-Old Cosmic Mystery Solved, Revealing Stellar Missing Link
Nov 18, 2020 · In the GALEX images, the blob appeared blue – though it doesn’t actually emit light visible to the human eye – and subsequent observations revealed a thick ring structure …
The dazzling Blue Ring Nebula puzzled scientists for 16 years — …
Nov 18, 2020 · Scientists have uncovered new evidence in the mysterious fluorescent debris of the Blue Ring Nebula that may explain how the strange structure formed. The Blue Ring …
Helix Nebula - Wikipedia
The Helix Nebula is an example of a planetary nebula, formed by an intermediate to low-mass star, which sheds its outer layers near the end of its evolution. Gases from the star in the …
Track down the 25 best planetary nebulae in the night sky
Jun 29, 2021 · Through telescopes as small as 4 inches in aperture, the Cat’s Eye Nebula (NGC 6543) can look blue, blue-green, greenish-blue, or green, depending on your eyes’ color …
NGC 1501 - Wikipedia
NGC 1501 (also known as the Camel's Eye Nebula [3] or the Oyster Nebula [4]) is a complex planetary nebula located in the constellation of Camelopardalis, it was discovered on 27 …
The sky’s top 10 colorful planetary nebulae - Astronomy Magazine
Mar 8, 2022 · NGC 7662 is Andromeda’s brightest planetary nebula and sports a simple and visually accurate moniker: the Blue Snowball. At 2,200 light-years away, it is an easy …
Cat's Eye Nebula - Wikipedia
The Cat's Eye Nebula (also known as NGC 6543 and Caldwell 6) is a planetary nebula in the northern constellation of Draco, discovered by William Herschel on February 15, 1786.
Blue Ring Nebula: 16-year-old cosmic mystery solved, revealing stellar ...
Nov 18, 2020 · Astronomers have solved the 16-year-old mystery surrounding the Blue Ring Nebula - an unusual, large, faint blob of gas with a star at its center.
Astronomers say they've solved the mystery of the ‘Blue Ring Nebula'
Nov 18, 2020 · Astronomers believe they have solved the 16-year-old mystery of a star surrounded by an enigmatic ring of ultraviolet light. If they're right, the "Blue Ring Nebula" …