JWST NIRCam image of Arp 142, also known as NGC 2936 and NGC 2937, or the Penguin and the Egg.
The blue haze in the distorted spiral galaxy, elliptical galaxy, and the bridge connecting the two are stars. The red filaments are glowing dust. The edge-on galaxy at top right is in the foreground, significantly closer to us than the Penguin and the Egg.
Credit: NASA, ESA, CSA, STScI
Source: https://webbtelescope.org/contents/media/images/2024/124/01J06XYGEDEE86D1H9N5EJ9EG0
2026 May 20
The Dark Wolf Nebula
* Image Credit & Copyright: William Vrbasso
https://www.stellaraustralis.com/
* Text: Keighley Rockcliffe (NASA GSFC, UMBC CSST, CRESST II)
https://kerockcliffe.com/
Explanation:
A dark wolf lies in gum. No, this isn’t a riddle! Today's image features the Dark Wolf Nebula (Sandqvist–Lindroos 17), a spooky dust cloud embedded within the Gum 55 (RCW 113) Nebula in the Scorpius constellation. While dust is a pest to us, it serves a vital role in creating the necessary conditions for stars to be born. The Dark Wolf absorbs the intense ultraviolet and visible light emitted by young stars in Gum 55 and re-emits it at longer, mainly infrared, wavelengths. This prevents the higher energy light from heating up the gas in the region. When a region of gas is cool enough, gravity takes over and causes the gas to collapse into a star. Not only does dust act as an interstellar thermostat, but it is also the meet-cute for single hydrogen atoms forming molecular hydrogen, the building block for stars. The seemingly sinister Dark Wolf is actually a harbinger of cosmic life.
https://www.instagram.com/p/DKYkOj9PUVg/
https://www.eso.org/public/news/eso2416/
https://ui.adsabs.harvard.edu/scan/manifest/1976A&A....53..179S
https://articles.adsabs.harvard.edu/pdf/1955MmRAS..67..155G
https://articles.adsabs.harvard.edu/pdf/1960MNRAS.121..103R
https://apod.nasa.gov/apod/ap210616.html
https://science.nasa.gov/universe/dust-in-the-stellar-wind-a-cosmological-primer/
https://science.nasa.gov/universe/stars/
https://science.nasa.gov/ems/10_ultravioletwaves/
https://science.nasa.gov/ems/09_visiblelight/
https://science.nasa.gov/ems/07_infraredwaves/
https://astronomy.swin.edu.au/cosmos/d/Dust+Grain
https://en.wikipedia.org/wiki/Meet_cute
https://apod.nasa.gov/apod/ap260520.html
#space #galaxy #astrophotography #photography #science #nature #NASA #apod
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Kitt Peak National Observatory image of Arp 336, also known as NGC 2685.
It was taken with the 4-meter Mayall telescope in 1975. We can clearly see NGC 2685's ring of gas, stars, and dust that orbits perpendicular to the plane of the galaxy.
Credit: NOIRLab, NSF, AURA
Source: https://noirlab.edu/public/images/noao-02337/
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