needed something to gloat about with scientific colleagues in other fields, their ability to look directly backwards in time is an obvious candidate. Because of the finite speed of light and radiation, the further into space you look, the further back in time you’re seeing. Such is astronomers’ prowess with this cosmic capacity that they are able to see back to an era when the universe was still
Space: A puzzle in the infant universe
Feb 29, 2024
2 minutes
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