Episode Details

New Webb data is rewriting the timeline of the early universe—scientists now believe some of the first galaxies, thought to be ancient relics from just after the Big Bang, might actually be younger and less massive than previously thought. With its unprecedented ability to peer 13 billion light-years back in time, the James Webb Space Telescope is forcing us to rethink cosmic evolution, revealing that even small adjustments to our models can dramatically reshape how we understand the universe’s infancy.

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