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Here are the brightest nebulae in the night sky, ordered by constellation. Brightness, when applied to extended diffuse objects like nebulae, can be a tricky word. Apparent magnitude is listed, but should be used cautiously when applied solely for brightness as perceived by the human eye.
The Carina Nebula is one of the brightest nebulae in the night sky. It is a massive star-forming region that measures over 300 light-years across, displaying beautifully bright and dark nebulosity. This Southern Hemisphere target is four times larger than the Orion Nebula, a popular Northern Hemisphere deep-sky target.
A nebula that is visible to the human eye from Earth would appear larger, but no brighter, from close by. [6] The Orion Nebula, the brightest nebula in the sky and occupying an area twice the angular diameter of the full Moon, can be viewed with the naked eye but was missed by early astronomers. [7]
Aug 23, 2021 · Emission nebulae are bright, diffuse clouds of ionized gas that emit their own light. In NGC 2313, pictured here, the bright star V565 (center of the image) highlights a silvery veil of gas and dust, while the right half of this image is obscured by a dense cloud of dust.
“a nebula is a cloud of gas and dust in outer space, visible in the night sky either as an indistinct bright patch or as a dark silhouette against other luminous matter.” Many nebulae are visible due to fluorescence caused by embedded hot stars. Other nebulae are so dispersed they can only be distinguished with long exposures and special filters.
Bright nebulae are usually vast concentrations of gas and dust in which stars have been or are being formed. There are three main types of bright diffuse nebulae: Emission Nebulae. Interstellar clouds of hydrogen which glow because of the intense radiation of hot stars inside the nebula. Emission nebulae are typically red.
May 22, 2019 · Explore these bright nebulae with hot star-burst regions of ionized hydrogen in the nearby galaxies Messier 101 and NGC 2366.
