Ethan SiegelinStarts With A Bang!What JWST found in the extreme outer Milky WayAlmost all of the stars, planets, and interesting physics happens in the inner portions of galaxies. Is that conventional wisdom all wrong?10h ago310h ago3
Ethan SiegelinStarts With A Bang!Ask Ethan: Could a “copy” of me exist in the Multiverse?Within our observable Universe, there’s only one Earth and one “you.” But in a vast multiverse, so much more becomes possible.3d ago63d ago6
Ethan SiegelinStarts With A Bang!Global warming makes hurricanes stronger, but less frequentThe laws of physics aren’t changing. But the Earth’s conditions are different than what they used to be, and so are hurricanes as a result.4d ago74d ago7
Ethan SiegelinStarts With A Bang!Why the electron’s mass is vital to life in the UniverseMost fundamental constants could be a little larger or smaller, and our Universe would still be similar. But not the mass of the electron.5d ago95d ago9
Ethan SiegelinStarts With A Bang!10 insights about the expanding Universe from a Nobel LaureateIn the expanding Universe, different ways of measuring its rate give incompatible answers. Nobel Laureate Adam Riess explains what it…6d ago46d ago4
Ethan SiegelinStarts With A Bang!JWST finds distant galaxy with “impossible” light signatureHydrogen 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?Sep 169Sep 169
Ethan SiegelinStarts With A Bang!Starts With A Bang Podcast #109 — Launching a galactic coneGalactic activity doesn’t just arrive when supermassive black holes feast on matter. Before, during, and after all create fascinating…Sep 14Sep 14
Ethan SiegelinStarts With A Bang!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.Sep 139Sep 139
Ethan SiegelinStarts With A Bang!Physics heresy: projectiles don’t actually make parabolasTaught in every introductory physics class for centuries, the parabola is only an imperfect approximation for the true path of a…Sep 1229Sep 1229
Ethan SiegelinStarts With A Bang!Inflation and dark matter are not like string theoryInflation, dark matter, and string theory are all proposed extensions to the prior consensus picture. But what does the evidence say?Sep 1117Sep 1117