Astronomy Cast

Astronomy Cast

By Fraser Cain and Dr. Pamela GayScienceNatural SciencesAstronomy
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Astronomy Cast episodes

  • Ep. 387: Water on Mars… Again
    Have you heard the big news? NASA has reported that Mark Watney is alive and well on the surface of Mars. No, wait, they’ve reported that there’s water on Mars. Didn’t they already report this? Today we’ll update you on the latest discovery and what this means for the search for life on Mars.
    29 min
  • Ep. 386: Orbiting Observers
    The atmosphere keeps us alive and breathing, but it really sucks for astronomy. Fortunately, humanity has built and launched space telescopes that get above the pesky atmosphere, where the skies are really clear. Let’s take a look at the past, current and future of orbital observation.
    32 min
  • Ep. 385: Rovers on the Run
    Taking pictures of distant worlds is great and all, but the best science happens with boots on the ground. Or in this case... wheels. This week we'll talk all about robotic rovers and the places they rove.
    38 min
  • Ep. 384: Escaping Probes
    The gravity of the Earth is a tough thing to escape, but breaking free from the gravity of the Sun is on a whole other level. But humans have achieved this amazing accomplishment, and right now there are several spacecraft leaving the Solar System and never coming back.
    33 min
  • Ep. 383: Approaches to Absolute Zero
    The coldest possible theoretical temperature is Absolute Zero, this is the point at which no further energy can be extracted from a system. How are physicists working to get as close as possible to this extreme cold?
    33 min

About Astronomy Cast

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Take a fact-based journey through the cosmos. Tune in to hear weekly discussions on astronomical topics ranging from planets to cosmology. Hosted by Fraser Cain (Universe Today) and Dr. Pamela L. Gay…