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, ...
Dark matter is one of the most important — yet least understood — building blocks of our universe. This gravitationally inferred, but optically elusive type of matter is thought to account for 85 ...
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