Mar 28, 2022
Astronomy Cast Ep. 636: Blowing Bubbles
by Fraser Cain & Dr. Pamela Gay
We think of space as a vacuum, but there are regions of different density. There are winds blowing from stars and other objects that clear out vast bubbles in space, and look absolutely fantastic in pictures. And they might have been critical for...
Mar 21, 2022
Astronomy Cast Ep. 635: Jets: When Magnetic Fields Fling Things
by Fraser Cain & Dr. Pamela Gay
As astronomers look out across the Universe. They see various objects spewing jets of material light years into space. What causes these jets? And what impact do they have on the Universe?
Mar 14, 2022
Astronomy Cast Ep. 634: Milky Way’s Mergers & Acquisitions
by Fraser Cain & Dr. Pamela Gay
The Milky Way is a vast grand spiral today, but how did it get this way? Astronomers are starting to unravel the history of our galaxy, revealing the ancient collisions with dwarf galaxies, and how they came together to build...
Mar 7, 2022
Astronomy Cast Ep. 633: Weirdly Habitable Places
by Fraser Cain & Dr. Pamela Gay
We've always assumed that habitable planets would need to be like Earth; a terrestrial planet orbiting a sunlike star. But now astronomers have been discovering planets in the habitable zone around very much non-sunlike stars. What...