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Latest Posts by azadeus - Page 5
Twilight: Mount Desert Island, Maine, 1865 ~ byΒ Frederic Edwin Churchβ¦
Minas Morgul - by Artem Demura
Red Dragon byΒ Rudy Siswanto
Hostomel by Iana Venge
This artist on Instagram
Mana (2022) - Tenaya Sims
Flame of Udun and The Servant of the Secret Fire by Darren Tan
Hell by Harshanand Singh
This artist onΒ Facebook
Moon Drip by Carl Kjellander
Ernst Haas - Iceland, 1965
2022 March 19
2MASS J17554042+6551277 Image Credit : NASA, STScI, JWST
Explanation: 2MASS J17554042+6551277 doesnβt exactly roll off the tongue but thatβs the name, a coordinate-based catalog designation, of the star centered in this sharp field of view. Fans of the distant universe should get used to its spiky appearance though. The diffraction pattern is created by the 18 hexagonal mirror segments of the James Webb Space Telescope. After unfolding, the segments have now been adjusted to achieve a diffraction limited alignment at infrared wavelengths while operating in concert as a single 6.5 meter diameter primary mirror. The resulting image taken by Webbβs NIRcam demonstrates their precise alignment is the best physics will allow. 2MASS J17554042+6551277 is about 2,000 light-years away and well within our own galaxy. But the galaxies scattered across the background of the Webb telescope alignment evaluation image are likely billions of light-years distant, far beyond the Milky Way.
β Source: apod.nasa.gov/apod/ap220319.html
βAnd, dark beauty, I shall give you Kisses cold as the moon And the caresses of a snake That crawls around a grave.β
β Charles Baudelaire, from The Ghost (tr. by William Aggeler); Les Fleurs du Mal, 1857.
