Dwarf galaxy

: First image: Researchers led by astronomers from the University of Michigan have discovered the smallest and faintest galaxy (encircled by a white ellipse) orbiting the Andromeda galaxy. Credit: CFHT/MegaCam/PAndAS (Principal Investigator: Alan McConaughey; Image Processing: Marcus Arias) Second image: Map of the Andromeda Galaxy (M31) and its satellite galaxies, with the newly discovered galaxy, Andromeda XXXV, clearly highlighted. Credit: JM Arias et al. Astrophys. J. Lett. (2025)

Mysterious Galaxy "Andromeda XXXV" Subverts the Rules of Galactic Evolution

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Astronomers from the University of Michigan have revealed the smallest and faintest galaxy yet discovered around the Andromeda Galaxy, and their discovery raises new questions about the formation and survival of dwarf galaxies.
The galaxy's intricate dust lanes are a spectacular sight in this image. NGC 4753 is located about 60 million light-years away in the constellation Virgo. Image taken by ESO's Gemini South Telescope in Chile

Gemini South Observatory images NGC 4753's spiral dust disk, the result of a galaxy merger

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NGC 4753 was discovered in 1784 by astronomer William Herschel and has some fascinating features. In this image, the complex dust lanes of the galaxy are a spectacular sight. NGC 4753 is about 60
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