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Astronomy Cast

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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...