Smithsonian Magazine on MSN20h
An Enormous, Branching String of Galaxy Clusters Is the Largest Known Structure in the Universe, Scientists SayThe cosmic superstructure Quipu is more than 13,000 times the length of the Milky Way, and its mass is 200 quadrillion times ...
Firefly Aerospace has shared an awesome video clip captured by its Blue Ghost spacecraft as it heads to the moon.
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