Archive | Astronomy

M81 in ultraviolet. Image credit: NASA

Ep. 414: Navigating Far

In our last episode, we talked about what it’ll take to navigate across the Solar System. In this episode we scale things up and speculate how future civilizations will navigate to other stars and even other galaxies. Download the show [MP3] | Jump to Shownotes | Jump to Transcript (more…)

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Voyager 2 at Neptune

Ep. 413: Navigating Near

It’s hard enough finding your way around planet Earth, but what do you do when you’re trying to find your way around the Solar System? Today we’ll talk about how spacecraft navigate from world to world. Download the show [MP3] | Jump to Shownotes | Jump to Transcript (more…)

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Ep. 411: Science of Sunset Colors

We all enjoy beautiful, multicolored sunsets. But what causes the brilliant oranges, pinks and purples that we see, and why does it change from day to day and season to season? Download the show [MP3] | Jump to Shownotes | Jump to Transcript (more…)

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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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Ep. 408: Universe Cannibalism

We’ve talked about stellar cannibalism and galactic cannibalism, but now it’s time to take this concept to its logical extreme – universe cannibalism. In the multiverse theory of physics we live in just one of a vast range of universes which might interact with each other. Let’s look for the evidence. Download the show [MP3] […]

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Ep. 407: Galactic Cannibalism

Remember when we told you that the Universe is a big place, and anything that can go wrong, inevitably does? Today we talk about what happens when galaxies come together. This is particularly pertinent because our Milky Way will collide with Andromeda in the future! Download the show [MP3] | Jump to Shownotes | Jump […]

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Ep. 406: Stellar Cannibalism

Most of the time stars hang around for billions of years. But the Universe is a big place, and anything that can go wrong, inevitably does. Today we talk about what happens when these stars come together. The outcome is violent, and fortunately for you, also interesting. Download the show [MP3] | Jump to Shownotes […]

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