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[NASA] APOD: 2026 September 11 – M83: The Southern Pinwheel

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APOD
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  3. APOD: 2026 September 11 –…
 

APOD

Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

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M83: The Southern Pinwheel

Explanation: Beautiful and bright 

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 lies some twelve million light-years away, near the southeastern tip of the very long constellation 
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. Prominent spiral arms traced by dark dust lanes and blue star clusters lend this galaxy its popular name, the Southern Pinwheel. Still, reddish 
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 that dot this cosmic pinwheel’s spiral arms have suggested another nickname, the 
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. A mere 40,000 light-years across, smaller than the Milky Way, M83 is a member of a group of galaxies that includes active galaxy 
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. In fact, the core of M83 itself is bright 
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, showing a high concentration of neutron stars and ****** holes left from an intense burst of star formation. This sharp, groundbased telescopic view also features foreground Milky Way stars and distant background galaxies.

APOD’s main NASA site is 

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: From 
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 to 
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Tomorrow’s picture: lunar sun catcher

Date September 11, 2026
Credit & Copyright Aldo Zanetti
Authors & editors: Jerry Bonnell, Robert Nemiroff, Cecilia Chirenti, Keighley Rockcliffe
A service of:
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