Astronomy Cast Ep. 719: Galaxy Series - Spiral Galaxies by Fraser Cain & Dr. Pamela Gay Streamed live on Apr 30, 2024. Our galaxy series continues, on to spiral galaxies. In fact, you're living in one right now, but telescopes show us the various shapes and sizes these galaxies come in. Thanks to JWST, we're learning how these spirals got big, early on in th ... Show More
Jan 5
Ep. 777: The Eddington Limit
Astronomy Cast Ep. 777: The Eddington Limit By Fraser Cain & Dr. Pamela Gay Streamed live on Dec 29, 2025. How big can a star get? This is a calculation made by one of the original pioneers of modern astronomy, Sir Arthur Eddington. And it's named after him, the Eddington Limit. ... Show More
35m 33s
Dec 2023
Cosmic Queries – Galaxies Galore
<p>What does JWST tell us about galaxy formation? Neil deGrasse Tyson and Chuck Nice answer questions about galaxies, measuring the distance of far away objects, dark matter, primordial galaxies, and more!</p><p>NOTE: StarTalk+ Patrons can listen to this entire episode commercial ... Show More
42m 35s
Mar 2023
Cosmic Queries – JWST’s Primordial Galaxies with Wendy Freedman
<p>What do the early galaxies discovered by JWST tell us about the early universe? Neil deGrasse Tyson and comedian Matt Kirshen explore the expansion of space, dark energy, and the age of the universe with astronomer, Wendy Freedman.</p><p>NOTE: StarTalk+ Patrons can listen to t ... Show More
43m 6s
Nov 2023
Cosmic Queries - Cosmic Cauldron (Re-release)
<p>What would Isaac Newton think of today’s science? Neil deGrasse Tyson and comedian Chuck Nice answer a cosmic cauldron of Cosmic Queries. From dark matter, to what aliens look like, the size of the universe, we answer a multiverse of questions. </p><p>This episode originally a ... Show More
45m 57s