Ep. 434: Am I On An Alien World?

Once again, science fiction television and movies has let you down. They try to recreate what it might be like on an alien world, but surprise surprise, they mostly get it wrong. That’s because a truly alien world would be different in so many ways, it would blow your mind. Today we’ll help you figure […]

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Ep. 433: Volcanoes on Mars

Mars is a world of extremes. This unassuming red world is home to the largest and tallest volcanoes in the entire Solar System. In fact, it’s not even a close contest, with Olympus Mons rising 22 km above the surrounding plains, more than twice as tall as Mount Everest. How did Mars get such big […]

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Ep. 432: Geoglogic Ages of Mars – From Wet and Wild to Desolate Desert

Today, Mars is a desolate wasteland, with dusty red rocks and sand stretching out to the horizon. But billions of years ago, it was a vastly different world. It was blue, with oceans, rivers, lakes, and maybe life? Let’s tell the story of geology on Mars, and we got from that world to the one […]

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Ep. 431: The Search for Life on Mars

We’re fitting in one more episode this week, before Fraser heads off to Costa Rica for a week. Our next episode will record on Dec. 23, 2016. Enceladus and Europa are all the rage these days, but classic Mars is still a great place to search for life. In fact, ESA’s ExoMars is scanning the […]

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Ep. 430: Coming Home from Mars, Part 2

Join us as we try to finish the interrupted episode Coming Home from Mars! Landing on the surface of Mars is very difficult. In fact, it’s probably the toughest planet to land on in the whole Solar System. Today we’ll talk about what it’s going to take to get to and return from Mars! We […]

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No Astronomy Cast this week Nov 28- Dec 2

Hey folks, just letting you know that due to Fraser being at conference this week, we won’t be recording an Astronomy Cast any time. Unfortunately, our last show was interrupted by a power outage, and we’ll try to get back together to finish that one on Monday, 12/5. We will keep you posted as info […]

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Ep. 430: Coming Home from Mars

Note – This episode was interrupted due to a power outage on Fraser’s end. They’ll reschedule to finish episode on 12/5 (most likely – Fraser is traveling this week!), and we’ll put the pieces together when we have them and release as audio podcast! Landing on the surface of Mars is very difficult. In fact, […]

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Ep. 429: Living on Mars

When Elon Musk announced plans to send humans to Mars, he conveniently left out one important aspect. How are we supposed to survive on a place this hostile to life? Seriously, Mars sucks, and it’s going to take some impressive techniques and technologies to make it on the Red Planet. We usually record Astronomy Cast […]

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Ep. 428: The Moons of Mars

We begin a miniseries on Mars. How many episodes will we do? Who knows? But we start today with a discussion of the two Mars moons, Phobos and Deimos. We usually record Astronomy Cast every Friday at 1:30 pm Pacific / 4:30 pm Eastern / 8:30 PM UTC (20:30 GMT). You can watch us live […]

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Ep. 427: Click Bait vs Clear Science

Did you hear that Dark Energy doesn’t exist any more? Neither does Dark Matter? It turns out that NASA recalculated the Zodiac and now you’re an Ophiuchan! Science is hard enough, but communicating that science out to the public when there are publications hungry for traffic is even harder! Here’s how to parse the click-bait […]

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