Tag Archives | gravity

Ep. 503: Gravity Mapping

The Earth looks like a perfect sphere, but down here on the surface we see that there are mountains, rivers, oceans, glaciers, all kinds of features with different densities and shapes. Scientists can map this produce a highly detailed gravity map of our planet. And it turns out, this is very useful for other worlds […]

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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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gravity-probe-b

Ep. 402: Gravity Eyes: See The Invisible With The Force

What kinds of things can we see using gravity, that we may not otherwise be able to see? Pamela will fill us in on the Great Attractor, etc! Download the show [MP3] | Jump to Shownotes | Jump to Transcript (more…)

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Vera Cooper Rubin '48

Ep. 357: Modern Women: Vera Rubin

It’s time for another series. This time we’ll be talking about famous female astronomers. Starting with: Vera Rubin, who first identified the fact that galaxies rotate too quickly to hold themselves together, anticipating the discovery of dark matter. Download the show [MP3] | Jump to Shownotes | Jump to Transcript (more…)

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