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Astronomy Cast

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Apr 29, 2019

528: Modern Astronomy of the American Southwest

Astronomy Cast 528: Modern Astronomy of the American Southwest

by Fraser Cain & Dr. Pamela Gay

Last week we talked about the ancient astronomy of the American Southwest. But this is actually Pamela's stomping grounds, and she's spent many a night perched atop mountains in...


Apr 22, 2019

527: Ancient Astronomy of the American Southwest

Astronomy Cast 527: Ancient Astronomy of the American Southwest

by Fraser Cain & Dr. Pamela Gay

Ancient peoples had no light pollution, and they knew the night skies very well. In fact, they depends on them to know when to plant and when to harvest. Today Pamela talks...


Apr 15, 2019

526: Event Horizon Telescope and the Black Hole at M87

Astronomy Cast 526: Event Horizon Telescope and the Black Hole at M87

by Fraser Cain & Dr. Pamela Gay

Today, of course, we're going to talk about the announcement from the Event Horizon Telescope and the first photograph of a black hole's event horizon.


Apr 8, 2019

525: 100 Years of the International Astronomical Union

Astronomy Cast 525: 100 Years of the International Astronomical Union

by Fraser Cain & Dr. Pamela Gay

Even though they might be scattered around our planet, astronomers have way to come together to work out issues that face their entire field of study. It's called...


Apr 1, 2019

524: Judging Age & Origins, part 3 - Beyond Our System

Astronomy Cast 524: Judging Age & Origins, part 3 - Beyond Our System

by Fraser Cain & Dr. Pamela Gay

We learned how to figure out the ages of objects in the Solar System, now we push out into the deeper Universe. What about stars, galaxies, and even the Universe...