An accidental discovery by a team of astronomers has upended existing theories about how galaxies formed in the early ...
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Astronomy on MSNAndromeda has a new faintest satellite galaxyThough tiny, this newfound satellite galaxy around M31 offers big lessons — and questions — about how galaxies evolve.
The European Space Agency's spacecraft Euclid on Wednesday released a treasure trove of new data in its quest to map and ...
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