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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Episode 65: The End of Our Tour Through the Solar System
All good things come to an end - we now ...
All good things come to an end - we now find ourselves in the outer reaches of the solar system where our Sun is hard to distinguish from the other bright stars in the sky. But we're not done with the solar system, there's some stuff that's leftover. This
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Episode 64: Pluto and the Icy Outer Solar System
It's been a long journey, 64 episodes, but now we're ...
It's been a long journey, 64 episodes, but now we're back where we began: Pluto. Last time we talked about how Pluto lost its planethood status, so we won't go over all that again. This time we're going to talk about Pluto, its moons, the Kuiper belt, and
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Episode 63: Neptune
We’ve reached Neptune, the final planet in our tour through ...
We’ve reached Neptune, the final planet in our tour through the solar system – but don’t worry! The tour’s not over, but after this week we’ll be all out of planets. Neptune has a controversial story about its discovery, some of the strongest winds in the
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Episode 62: Uranus
This week, we're on to the next planet in the ...
This week, we're on to the next planet in the solar system. We don't know a whole lot about this blue gas planet, but today we'll cover some of the neat stuff we do know, including it's faint rings, sideways axis of rotation and its rocky core - a first i
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Episode 61: Saturn's Moons
We know that delaying this show one more week would ...
We know that delaying this show one more week would be too dangerous, so here you go: Saturn's moons. These are some of the most interesting objects in the Solar System, from the spongy Hyperion, to the geysers on Enceladus, to the rainy, misty, oceany Ti
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Episode 60: Questions on Inflation
It's about time for a question show again, so we'll ...
It's about time for a question show again, so we'll have one last interruption to our planetary tour, to deal with the questions that arose from our inflation show.So if you still don’t understand inflation, take a listen to this week's show and as always
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Episode 59: Saturn
Returning to our journey through the solar system, let's voyage ...
Returning to our journey through the solar system, let's voyage away from the largest planet to the second largest, Saturn. Once again, we'll break up our visit because there's lots to talk about. This week, we talk about Saturn and its famous rings. Next
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Episode 58: Inflation
We interrupt this tour through the solar system to bring ...
We interrupt this tour through the solar system to bring you a special show to deal with one of our most complicated subjects: the big bang. Specifically, how it's possible that the universe could have expanded faster than the speed of light. The theory i
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Episode 57: Jupiter's Moons
Last week we talked about Jupiter and we could sense ...
Last week we talked about Jupiter and we could sense right away it would be too much to handle. This week, we'll talk about Jupiter's moons - how many are there? What makes them so interesting? Is it true that the most likely place in the solar system to
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Episode 56: Jupiter
Last week we talked about rubble, this week we're going ...
Last week we talked about rubble, this week we're going to dig into the largest planet in the Solar System: Jupiter, but will it all just be hot gas? There's so much to talk about, we've decided to break this up into two shows. This week we're going to ju
