Tag Archives | planets

Ep. 467: Resonance

We’re recording on Sunday, Nov. 19 this week due to Pamela taking a well-earned vacation next week! Join us at a special time – 2 pm EST/ 11 am PST / 19:00 UTC for this episode! Many of the moons and planets across the Universe are in resonance with each other and their star. What […]

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Ep. 455: Your Practical Guide to Colonizing the Milky Way!

This episode was recorded live in St. Louis, MO at the Astronomy Cast Solar Eclipse Escape 2017. Listen as we discuss how humans might be able to colonize the Milky Way! We usually record Astronomy Cast every Friday at 1:30 pm PDT / 4:30 pm EDT/ 20:30 PM UTC (8:30 GMT). You can watch us […]

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Ep. 452: Summer Observing Challenges

Summer is almost here, and for the northern hemisphere, that means warm nights for observing. But what to observe? We’re here with a list of events and targets for you to enjoy over the summer. Get your calendars handy, and start organizing some events with your friends, and then get out there! We usually record […]

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Ep. 422: Geysers

So if you’ve been to Yellowstone National Park, you’ve seen one of the most amazing features of the natural world – geysers. In today’s episode, we’re going to talk about geysers on Earth, and where they might be in the solar system. We usually record Astronomy Cast every Friday at 1:30 pm Pacific / 4:30 […]

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Ep. 410: Planet 9 Facts and Fiction

The discovery of Planet 9 has caused a wonderful, confusing uproar and a flood of misinformation in the news and social media. We’ll sort out what we actually know, what things just aren’t true, and what things might be possible! Download the show [MP3] | Jump to Shownotes | Jump to Transcript (more…)

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Ep. 409: Spin in the Solar System

The Solar System is a spinny place. Everything’s turning turning. But if you look closely, there are some pretty strange spins going on. Today we talk about how everything started turning, and the factors that still “impact” them today. Download the show [MP3] | Jump to Shownotes | Jump to Transcript (more…)

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Life May or May Not Exist on other Terrestrial Worlds

Ep. 375: The Search For Life in the Solar System

With the discovery of water ice in so many locations in the Solar System, scientists are hopeful in the search for life on other worlds. Guest Morgan Rehnberg returns to Astronomy Cast to explain the best places we should be looking for life. Download the show [MP3] | Jump to Shownotes | Jump to Transcript […]

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Ep. 366: HARPS Spectrograph

Almost all the planet hunting has been done from space. But there’s a new instrument installed on the European Southern Observatory’s 3.6 meter telescope called the High Accuracy Radial velocity Planet Searcher which has already turned up 130 planets. Is this the future? Searching for planets from the ground? Download the show [MP3] | Jump […]

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Ep. 364: The COROT Mission

Before NASA’s Kepler mission searched for exoplanets using the transit method, there was the European COROT mission, launched in 2006. It was sent to search for planets with short orbital periods and find solar oscillations in stars. It was an incredibly productive mission, and the focus of today’s show. Download the show [MP3] | Jump […]

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