HUBBLE ATLAS
Close-up on "blue blobs" (Holmberg IX , M81 , M82) — image from the Hubble Space Telescope

Star clusters

Close-up on "blue blobs"

January 8, 2008 · ESA/Hubble · Holmberg IX , M81 , M82 · Ursa Major

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A Hubble Space Telescope visible light close-up of bright blue star clusters in Arp's Loop in the M81-M82 galaxy group.