Using the Hubble Space Telescope (HST), astronomers have observed a supermassive galactic open cluster designated Westerlund ...
The PACK trial 1 was a parallel-arm cluster randomised trial, assigning 48 clinics to the intervention arm (a training ...
Smithsonian Magazine on MSN1d
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 ...
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