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10 insights about the expanding Universe from a Nobel Laureate
10 insights about the expanding Universe from a Nobel Laureate
In the expanding Universe, different ways of measuring its rate give incompatible answers. Nobel Laureate Adam Riess explains what it…
Ethan Siegel
Sep 17
JWST finds distant galaxy with “impossible” light signature
JWST finds distant galaxy with “impossible” light signature
Hydrogen emission lines have never been seen earlier than 550 million years after the Big Bang. So why does JADES-GS-z13-1-LA have one?
Ethan Siegel
Sep 16
Starts With A Bang Podcast #109 — Launching a galactic cone
Starts With A Bang Podcast #109 — Launching a galactic cone
Galactic activity doesn’t just arrive when supermassive black holes feast on matter. Before, during, and after all create fascinating…
Ethan Siegel
Sep 14
Ask Ethan: Could we determine if UAPs/UFOs are aliens?
Ask Ethan: Could we determine if UAPs/UFOs are aliens?
Although a great many unidentified sights have been seen in the skies, none have conclusively demonstrated the presence of aliens. So far.
Ethan Siegel
Sep 13
Physics heresy: projectiles don’t actually make parabolas
Physics heresy: projectiles don’t actually make parabolas
Taught in every introductory physics class for centuries, the parabola is only an imperfect approximation for the true path of a…
Ethan Siegel
Sep 12
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