Dec 7, 2019
550: Missing Epochs - Observing the Cosmic Dark Ages
Astronomy Cast 550: Missing Epochs - Observing the Cosmic Dark Ages
by Fraser Cain & Dr. Pamela Gay
Powerful observatories like Hubble and the Very Large Telescope have pushed our vision billions of light-years into the Universe, allowing us to see further and...
Dec 2, 2019
549: Stellar nucleosynthesis revisited: In and on and around dead stars
Astronomy Cast 549: Stellar nucleosynthesis revisited: In and on and around dead stars
by Fraser Cain & Dr. Pamela Gay
Last week we gave you an update on the formation of elements from the Big Bang and in main sequence stars like the Sun. This week,...
Nov 25, 2019
548: Stellar nucleosynthesis revisited: In stellar cores & atmospheres
Astronomy Cast 548: Stellar nucleosynthesis revisited: In stellar cores & atmospheres
by Fraser Cain & Dr. Pamela Gay
The Universe started out with hydrogen and helium and a few other elements, but all around us, there are other, more...
Nov 18, 2019
547: Why Astronomy Still Needs Humans
Astronomy Cast 547: Why Astronomy Still Needs Humans
by Fraser Cain & Dr. Pamela Gay
Few sciences have been able to take advantage of the power of computers like astronomy. But with all this computing power, you might be surprised to learn how important a role humans still play in...
Nov 11, 2019
546: Weird Issues: Planetary Migration
Astronomy Cast 546: Weird Issues: Planetary Migration
by Fraser Cain & Dr. Pamela Gay
Before we discovered other planets, our Solar System seemed like a perfectly reasonable template for everywhere. But now we see massive planets close to their stars, which leads you to...