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Ep. 381: Hollowing Asteroids in Science and Fiction

Podcast: Play in new window | Download (0.0KB) When we finally make the jump to fully colonizing the Solar System, we’re going to want to use asteroids as stepping stones. We can use them as way stations, research facilities, even as spacecraft to further explore the Solar System. Today...

Ep. 380: The Limits of Optics

Podcast: Play in new window | Download (0.0KB) Astronomers rely on the optics of their instruments, and there are some basic limits that you just can’t avoid. Whatever we look at is distorted by the optics, in fact, a basic property of light means that we’ll never get perfect optics....

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

Podcast: Play in new window | Download (0.0KB) 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...

Ep. 374: Stern-Gerlach Experiment

Podcast: Play in new window | Download (0.0KB) In the world of quantum mechanics, particles behave in discreet ways. One breakthrough experiment was the Stern-Gerlach Experiment, performed in 1922. They passed silver atoms through a magnetic field and watched how the spin of the atoms caused the...

Ep. 369: The Fizeau Experiment

Podcast: Play in new window | Download (0.0KB) Light is tricky stuff, and it took scientists hundreds of years to puzzle out what this stuff is. But they poked and prodded at it with many clever experiments to try to measure its speed, motion and interaction with the rest of the Universe. For example,...

Ep. 367: Spitzer does Exoplanets

Podcast: Play in new window | Download (0.0KB) We’ve spent the last few weeks talking about different ways astronomers are searching for exoplanets. But now we reach the most exciting part of this story: actually imaging these planets directly. Today we’re going to talk about the work...

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