How the First Stars Transformed the Universe
Immediately after the universe started with the big bang, the cosmos was dark. Only the first stars appearing millions of years later brought light. These first stars and their radiation drastically changed the universe during what is known as the epoch of reionization. This video talks about this important time, what the Hubble Space Telescope has shown us so far, the open questions, and what we can expect from future space missions.
Credit: ESA Hubble Videos; Hubblecast 118: How the First Stars Transformed the Universe; Directed by: Bethany Downer; Visual design and editing: Martin Kornmesser; Written by: Laura Hiscott; Narration: Sara Mendes da Costa; Images: NASA, ESA; Videos: NASA, ESA, ESO/L. Calçada, M. Kornmesser; Music: Johan B. Monell; Web and technical support: Bethany Downer and Raquel Yumi Shida; Executive producer: Lars Lindberg Christensen
See also: Astronomy; Big bang theory; Black hole; Galaxy; Galaxy formation and evolution; Hubble Space Telescope; Star; Stellar population; Telescope; The "cosmic dawn" seen for the first time; Universe; Unusually bright galaxies discovered in the early universe
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