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The cross pattern stands out over a dark background. Like a blue daisy with only four petals, the galaxy at the center is yellow, and around it are the four blue images of the background galaxy. Around the system are other galaxies, which appear as red or white dots. A closeup of the cross-like pattern is shown to the left.

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The cross pattern stands out over a dark background. Like a blue daisy with only four petals, the galaxy at the center is yellow, and around it are the four blue images of the background galaxy. Around the system are other galaxies, which appear as red or white dots. A closeup of the cross-like pattern is shown to the left.
https://files.mastodon.online/media_attachments/files/111/047/190/798/501/222/original/c57d2ae68ff69483.png

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Juan Carlos Muñoz (astro_jcm@mastodon.online)'s status on Tuesday, 12-Sep-2023 02:52:16 JST Juan Carlos Muñoz

Look, the Very Large #Telescope has imaged a cosmic #flower! 🌼 The blue "petals" are actually multiple images of the same object, a distant #galaxy seen when the #universe was only 20% of its current age. Light rays from this faraway galaxy were bent by the gravity of a foreground galaxy (the orange one at the centre) creating separate images of the distant source – a so-called Einstein Cross.
➡️ https://www.eso.org/public/images/potw2337a/
📷 ESO/A. Cikota et al.
#astrodon #astronomy #space

In conversation Tuesday, 12-Sep-2023 02:52:16 JST from mastodon.online permalink