Astronomy Cast
Summary: 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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- Artist: Fraser Cain & Dr. Pamela Gay
- Copyright: Fraser Cain and Dr. Pamela Gay
Podcasts:
Weekly Space Hangout - Feb 23, 2012
In this edition, we talk about the non-discovery of faster-than-light neutrinos, the possibility of quakes on Mars, and explanation for the ridge on Iapetus, the 25th anniversary of SN1987A, and a steamy water world.
Ep. 253: Rayleigh Scattering
Next time a kid asks you, why is the sky blue? Answer them: because of Rayleigh scattering. If they’re not happy with that answer, feel free to expand based on the knowledge we’re about to drop today, right into your brain.
Weekly Space Hangout - Feb 16, 2012
The Weekly Space Hangout for Feb. 16, 2012 with special guest Alan Stern, Principal Investigator for NASA's New Horizons spacecraft on its way to Pluto. We also talk about NASA's new budget, Chang'e Moon maps, a Swiss plan to remove space junk and the first human-robot space handshake.
Ep. 252: Heisenberg Uncertainty Principle
Quantum theory is plenty strange, but one of the strangest discoveries is the realization that there’s a limit to how much you can measure at any one time. This was famously described by Werner Heisenberg, with his uncertainty principle: how you can never know both the position and motion of a particle at the same time.
Weekly Space Hangout - Feb 9, 2012
This week we talk about possible methods of interstellar communications, supermassive black holes eating asteroids, a stratospheric skydive,
Ep. 251: Messier Catalog
Have you ever looked into the sky and noticed a fuzzy blob? That’s a Messier Object, carefully cataloged by Charles Messier to make it easier to find comets. We’ll learn about the history of the catalog, Messier’s criteria and some of the prominent objects you’ll see in the sky.
Weekly Space Hangout - Feb 2, 2012
In this week's space hangout, we talked about the search for super earths, the non-discovery of life on Venus, new images from the far side of the Moon, nature versus nurture in star formation, and the tests of SpaceX's new rocket system.
Ep. 250: Precision
