http://traffic.libsyn.com/astronomycast/AstroCast-190505.mp3Podcast: Play in new window | DownloadSubscribe: Android | RSSThe Andes mountains in South America are a hotspot of astronomy today, but ancient peoples knew it was a great place for astronomy and lived their lives in tune with the night sky. Today we’ll learn all about what they knew, and how they mapped the movements of the stars and planets. In this episode we...
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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 this region staring in the night sky with gigantic telescopes. How does astronomy get done in this region today?
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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 the International Astronomical Union, and they’re the ones who work out the new names for stars, and sometimes de-planet beloved Kuiper Belt Objects.
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We always focus on the missions, but there’s an important glue that holds the whole system together. The Deep Space Network. Today we’re going to talk about how this system works and how it communicates with all the spacecraft out there in the Solar System.
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One of the most influential astronomers in the 20th Century was Fritz Zwicky. He had his hand in the discovery of dark matter, gravitational lensing, supernovae and neutron stars. And he also worked on a few more controversial ideas like, uh, tired light. Let’s learn more about Zwicky.
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