This large, fuzzy-looking galaxy is so diffuse that astronomers call it a “see-through” galaxy because they can clearly see distant galaxies behind it. The ghostly object, catalogued as NGC 1052-DF2, is one of only a few candidate galaxies, along with nearby NGC 1052-DF4, to perhaps have no dark matter at all. (NASA, ESA, AND P. VAN DOKKUM (YALE UNIVERSITY))

The First Galaxy Without Dark Matter Is About To Be Torn Apart

A cosmic puzzle is finally solved, as new observations answer the question of why this galaxy exists at all.

For the last couple of years, astronomy has had a tremendous puzzle to reckon with. When you look at all the large-scale structures out there in the Universe — large galaxies…

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Ethan Siegel

Ethan Siegel

The Universe is: Expanding, cooling, and dark. It starts with a bang! #Cosmology Science writer, astrophysicist, science communicator & NASA columnist.