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How big is the universe? In this video, we embark on a journey from our solar system to the edge of the observable cosmos.
According to the 'Big Crunch' theory, the universe will eventually collapse in on itself in a final climactic implosion, and ...
Hubble's new image of galaxy cluster Abell 209 reveals over 100 galaxies and gravitational lensing effects from dark matter ...
Roman’s deep, time-lapse survey may reveal a hundred thousand stellar cataclysms, from distant Type Ia supernovae to the self ...