APOD: 2026 August 10 – Three Galaxy Pairs

APOD Science APOD APOD: 2026 August 10 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD APOD: 2026 August 10 – Three Galaxy Pairs 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. […]

The top 3

  1. The Antennae Galaxies (NGC 4038/4039): These two colliding spiral galaxies in Corvus are renowned for their long, luminous 'tidal tails' resembling insect antennae, currently undergoing intense star formation as they merge, located about 45 million light-years away.
  2. The Mice Galaxies (NGC 4676): Nicknamed 'The Mice' due to their long tidal tails of stars and gas, these two interacting spiral galaxies in Coma Berenices are approximately 290-345 million light-years away and are in the process of merging, eventually expected to form a single elliptical galaxy.
  3. The Whirlpool Galaxy (M51) and its Companion: M51, a grand-design spiral galaxy in Canes Venatici, is famous for its prominent spiral arms, believed to be enhanced by the gravitational pull of its smaller companion, NGC 5195, triggering active star formation. It lies approximately 23-31 million light-years from Earth.

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