Astronomy Cast
Astronomy Cast offers you a fact based journey through the cosmos. Each week Fraser Cain (Universe Today) and Dr. Pamela Gay (SIUE / Slacker Astronomy) take on topics ranging from the nearby planets to ubiquitous dark matter.
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Astronomy Cast at Dragon*Con 2011: Strange Stuff in Space
This is an impromptu episode of Astronomy Cast that we ...
This is an impromptu episode of Astronomy Cast that we recorded during Dragon*Con 2011. Pamela was scheduled to speak with a panel about strange things in space, but she ended up being the only person there. So Fraser jumped in, and this was what we did.
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Ep. 234: Lunar Phases
The Moon is a stark reminder that we actually live ...
The Moon is a stark reminder that we actually live in a Universe filled with stars and planets and moons. The changing phases of the Moon show us the relative positions of the Earth, the Sun and the Moon as they interact with one another. Let's learn abou
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Ep. 233: Radar
Radar is one of the those technologies that changed everything: ...
Radar is one of the those technologies that changed everything: it allows boats and aircraft to “see” at night and through thick fog. But it also changed astronomy and ground imaging, tracking asteroids with great accuracy, allowing spacecraft to peer thr
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Ep. 232: Galileo Spacecraft
In last season’s thrilling cliff hanger, we talked about astronomer ...
In last season’s thrilling cliff hanger, we talked about astronomer superhero Galileo Galilei. Will a mission be named after him? The answer is yes! NASA’s Galileo spacecraft visited Jupiter in 1995, and spent almost 8 years orbiting, changing our underst
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Ep. 231: Galileo Galilei
It’s hard to imagine a more famous astronomer than Galileo ...
It’s hard to imagine a more famous astronomer than Galileo Galilei. He’s widely recognized as the very first person to point a telescope at the skies and then study what he saw. Galileo discovered the moons of Jupiter, the phases of Venus, and much more.
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Ep. 230: Christiaan Huygens
And now we finish our trilogy of Saturnian astronomers and ...
And now we finish our trilogy of Saturnian astronomers and missions with a look at the Dutch astronomer and mathematician, Christiaan Huygens. It was Huygens who discovered Titan, and figured out what Saturn’s rings really are, so it makes sense that a pr
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Ep. 229: Cassini Mission
Last week we talked about the Italian astronomer Giovanni Cassini. ...
Last week we talked about the Italian astronomer Giovanni Cassini. This week we’ll talk about the mission that shares his name: NASA’s Cassini Spacecraft. This amazing mission is orbiting Saturn right now, sending back thousands of high resolution images
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Ep. 228: Giovanni Cassini
Another two parter, coming at you. This week we talk ...
Another two parter, coming at you. This week we talk about the Italian astronomer, Giovanni Domenico Cassini, best known for discovering Saturn's moons and the biggest division in Saturn's rings. Cassini made many other important discoveries in the Solar
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Ep. 227: The Big Dipper
We wanted to spend a few shows talking about some ...
We wanted to spend a few shows talking about some of the most recognizable constellations in the night sky. We've chatted about Orion the Hunter, but now we're going to talk about the Big Dipper, also known as Ursa Major, or the Great Bear - apologies to
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Ep. 226: Weather
How's the weather? Maybe a better question is... why's the ...
How's the weather? Maybe a better question is... why's the weather? What is it about planets and their atmospheres that create weather systems. What have planetary scientists learned about our Earth's weather, and how does this relate to other planets in
