How do we know the mass of stars?

Daniel and Kelly answer listener questions about scent dialects, drilling through the ice above the oceans of Enceladus, and why some animals have penises.See omnystudio.com/listener for privacy information. 

Daniel and Kelly interview Dr. Marcelo Wood about what addiction does to our brains, why some of us become addicted to drugs while others don't, what drugs do to our brains in the long term, and more.See omnystudio.com/listener for privacy information. 

We love to look at stars. But have you ever wondered just how big stars are? Listen to this fascinating chat with Dr. Gerard van Belle, Chief Scientist for the Navy Precision Optical Interferometer at Lowell Observatory and he is going to tell us about the cool technology they us ...  Show more

Like most things in the universe, stars begin as particles floating around in massive clouds of dust and gas. But what forces these particles to coalesce and form a star? Tune in and learn more about the birth of stars in this podcast.

We explore the diverse world of stars in the universe, from those similar to our Sun to those totally unrecognizable.For ad free episodes and other exclusives, join us for just $3 a month on Patreon: https://patreon.com/whythisuniverseOur merch is available here: https://www.shal ...  Show more

Why do stars shine? How long do they shine? This lecture describes the physics of stars on the main sequence, describes the mass-luminosity relation of main sequence stars, introduces nuclear fusion power and the nuclear fusion lifetimes of stars. From this we gain an important i ...  Show more