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A few months ago, the James Webb Space Telescope spotted six early galaxies that were so large they threatened to break our best theory of how the cosmos evolved. Did they?
A study reveals that heavier stars are seen in remote galaxy clusters, which are not the same as those close to the Milky Way.
How many of what kinds of stars live in other galaxies? It seems like a simple question, but it's notoriously hard to pin down because astronomers have such a difficult time estimating stellar populations in remote galaxies.
A team of University of Copenhagen astrophysicists has arrived at a major result regarding star populations beyond the Milky Way.
However, it remains unresolved why galaxies die and stop forming new stars