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The Ring Nebula (also catalogued as Messier 57, M57 and NGC 6720) is a planetary nebula in the northern constellation of Lyra. [4] C] Such a nebula is formed when a star, during the last stages of its evolution before becoming a white dwarf , expels a vast luminous envelope of ionized gas into the surrounding interstellar space .
The James Webb Space Telescope has revealed colorful new portraits of the iconic Ring Nebula that capture unprecedented details a dying star creates glowing structures.
The James Webb Space Telescope (JWST) has captured new images of the Ring Nebula revealing intricate details. The shots, released on Thursday 3 August by an international team of astronomers from ...
The star HD 83535 is also responsible for the "diamond ring" effect seen in the photograph. The nebula gets its coloration from the Olll emissions (doubly ionized oxygen). The nebula is faint making it difficult to be seen using a telescope. The spherical shape of Abell 33 is mainly caused by its central star not having much of a spin. [2]
Ring Nebula (NGC 6822) 838 ly (257 pc) H II region: The Ring Nebula is located in the lower right of the image Gum Nebula: 809–950 ly (248–291 pc) [32] [33] Emission nebula: Extends about 36° of the sky Bubble Nebula (NGC 6822) 758 ly (232 pc) [34] [35] [36] H II region: The Bubble Nebula is located in the upper left of the image NGC 6188
Astronomers have used the James Webb Space Telescope to observe the Ring Nebula, revealing new details about the iconic celestial favorite.
Cometary knots in the Helix Nebula. Cometary knots, also referred as globules, are structures observed in several nearby planetary nebulae (PNe), including the Helix Nebula (NGC 7293), the Ring Nebula (NGC 6720), the Dumbbell Nebula (NGC 6853), the Eskimo Nebula (NGC 2392), and the Retina Nebula (IC 4406).
It shows the star surrounded by a glowing egg-shaped cocoon of gas and dust - called a nebula - apparently ejected by the star. A faint oval ring beyond the cocoon, perhaps made of more dust, is ...