Ep 481: Rockets pt. 3 – Going Faster, Higher, Farther after Fairing Separation

We’ve seen rockets blast off from here on Earth. But that’s only half the story. Rockets have additional stages to push them into trajectories, like transfer orbits and various orbital maneuvers. Let’s talk about what happens after the rocket is long gone, beyond our sight. We usually record Astronomy Cast every Friday at 3:00 pm […]

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Ep 480: Rockets pt. 2- Multi-stage Boosters

The vast majority of rockets are multi-staged affairs. Why is this? What makes this kind of rocket so successful? Today we look at the ins and outs of multi-stage rockets. We usually record Astronomy Cast every Friday at 3:00 pm EST / 12:00 pm PST / 20:00 UTC. You can watch us live on here […]

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Ep. 479: Rockets pt. 1- What Does “Single Stage To Orbit” Really Mean?

To celebrate the launch of the Falcon Heavy, we figured it was time for an all new series, this time on the rockets that carry us to space. Today we’re going to talk about why single stage to orbit rockets are so difficult to carry out. We usually record Astronomy Cast every Friday at 3:00 […]

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Astronomy Cast Special: Q & A with Dr. Pamela Gay

Pamela will be on to answer your space and astronomy questions live, as Fraser enjoys auroras in Iceland this week! And please check out how you can help us by answering some surveys for CosmoQuest here. We usually record Astronomy Cast every Friday at 3:00 pm EST / 12:00 pm PST / 20:00 UTC. You […]

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Ep. 478: Apollo 8 with Paul Hildebrandt

On Christmas Day, 1968 Frank Borman, James Lovell and William Anders became the first human being to see the far side of the Moon. Their mission, of course, was Apollo 8, the first time human beings had ever left Earth orbit and seen the far side of the Moon. Today we talk all about Apollo […]

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Ep. 477: State of Exploration: Once and Future Moon

It’s been decades since humans set foot on the Moon. Well, it’s time to go back, in theory. Of course, we’ve heard this all before. What are the plans afoot to send humans back to the Moon this time. What hardware will we use, and what other strategies are in the works to make this […]

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Updated Audio: Ep. 475: Fast Radio Bursts

If you got the previous version of Ep. 475 with bad audio, here’s the fixed version! You know what’s fun? Mysteries. Here’s one: fast radio bursts. Astronomers have been detecting mysterious one-time signals from across the sky. What’s causing them? Nobody knows for sure, but the search is on to get to the bottom of […]

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Ep. 476: The Overview Effect

After they’ve been to space, many astronauts report that seeing the world from above has given them a totally new perspective on humanity and the state of our planet. It’s called the Overview Effect. Today we’ll talk about this, and what this perspective can teach us all. We usually record Astronomy Cast every Friday at […]

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CosmoQuest-MoonX-01

We Can Use Your Help!

Hey Astronomy Cast listeners, As you know, Pamela is the director of CosmoQuest, which does citizen science projects. We are asking for your input through a series of three surveys, each of which is targeting a specific aspect of CosmoQuest and what we do: We are once again asking for your input through a series […]

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Ep. 475: Fast Radio Bursts

The initial release of this audio was glitchy. We’ve fixed it now, so please re-download. You know what’s fun? Mysteries. Here’s one: fast radio bursts. Astronomers have been detecting mysterious one-time signals from across the sky. What’s causing them? Nobody knows for sure, but the search is on to get to the bottom of them. […]

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