In 2022, amateur astronomers discovered SDSO 1, a set of gigantic blue arcs near the Andromeda Galaxy (M31) that span nearly the same angular size as M31 itself, representing a significant astronomical discovery captured by NASA/ESA telescopes including Hubble, JWST, Chandra, and Spitzer.
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Andromeda Blue Arcs — SDSO 1 Mystery Discovered #JWST #DeepSpace #ShortsAdded:
The image reveals gigantic blue arcs near the Andromeda galaxy, designated M31.
These faint structures, named SDSO 1, were discovered in 2022 by amateur astronomers. They span nearly the same angular size as M31 itself.
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