[NASA] APOD: 2026 August 7 – Rubin’s Cosmos Field

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APOD

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3. APOD: 2026 August 7 –…

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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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Rubin’s COSMOS Field

Explanation: There are more than 

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 in the central panel of this 

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from the 

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 in 

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. This is the 

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, a patch of sky several times larger than the 

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, first observed by 

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. It has also been observed by

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and other telescopes because it contains comparatively few bright 

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 from our own galaxy, offering a relatively unimpeded view of other galaxies outside the 

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. The outer panels, numbered 1-10, show 

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 of the corresponding small regions highlighted in the central panel. The variety of galaxy shapes and sizes is 

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. Some of them are so far away that their light has traveled for 

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 before reaching Earth. Rubin will come back 

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 to the COSMOS field as part of its ten-year 

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. It will allow a dynamic view of the COSMOS field and how the sky changes over time.

Tomorrow’s picture: What’s next?

Date	August 7, 2026
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Authors & editors:	Cecilia Chirenti, Jerry Bonnell, Robert Nemiroff, Keighley Rockcliffe
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