Astronomy Picture of the Day ·

Large Scale Structure of the Universe

The Astronomy Picture of the Day for April 23, 2026 is “Large Scale Structure of the Universe,” an image. It is credited to Image Credit: Claire Lamman / DESI collaboration Text: Cecilia Chirenti ( NASA GSFC , UMCP , CRESST II ). The original explanation runs about 171 words.

The image shows a circle with bands of different colors, missing two opposite pizza slices, on a dark background. An inset presents a zoomed-in view of the center, showing a fine, feathery structure.
Credit: Image Credit: Claire Lamman / DESI collaboration Text: Cecilia Chirenti ( NASA GSFC , UMCP , CRESST II ) Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“This is a map of the universe. The Dark Energy Spectroscopic Instrument (DESI) at Kitt Peak National Observatory , Arizona , has finished its five-year survey .”

— APOD editors, April 23, 2026

Read the full explanation on science.nasa.gov

At a glance

Date
April 23, 2026
Type
Image
Credit
Credit: Image Credit: Claire Lamman / DESI collaboration Text: Cecilia Chirenti ( NASA GSFC , UMCP , CRESST II )
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 171 words

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Galaxies

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Source

Copy taken Oct 28, 2026, 2:39 AM EDT. The image and explanation belong to their creators. OpenOrbit is not affiliated with or endorsed by NASA.