Astronomy Cast

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 (SIUE), this show brings the questions of an avid astronomy lover direct to an astronomer. Together Fraser and Pamela explore what is known and being discovered about the universe around us. Astronomy Cast is supported through individual donations and the sponsorship of Swinburne Astronomy Online.

Eine durchschnittliche Folge dieses Podcasts dauert 30m. Bisher sind 1423 Folge(n) erschienen.

episode 576: Astronomy Cast Ep. 576: Summer Stargazing Special

It's time once again for Astronomy Cast to go on hiatus. You've got a couple months on your own to explore the night sky. But before we say goodbye, we'd like to make a few suggestions.



episode 575: Astronomy Cast Ep. 575: Observing The Moon

Astronomy Cast Ep. 575: Observing The Moon by Fraser Cain & Dr. Pamela Gay As amateur astronomers, we curse the Moon every month. Seriously! Why doesn't someone get rid of that thing! This week, something occurred to us. What if we actually...



episode 574: Astronomy Cast Ep. 574: Trojan Asteroids

We imagine the asteroid belt as a place where all the rocks hang out in the solar system. But there are 2 huge bands of asteroids that orbit the Sun with Jupiter called the Trojans. And soon we may actually get a chance to see them up close!



episode 573: Astronomy Cast Ep. 573: Exoplanet Atmospheres

Not only have astronomers discovered thousands of exoplanets, but they're even starting to study the atmospheres of worlds thousands of light years away. What can we learn about these other worlds and maybe even signs of life.


 2020-06-08  31m

Rocket Roundup for June 3, 2020

Join us for this week's Rocket Roundup with host Annie Wilson. We look at the rocket launches that did and did not happen since our last update, including, of course, the SpaceX Crew Dragon launch. We also cover a couple of Chinese launches, one...


 2020-06-03  15m

 2020-06-02  11m

episode 572: Astronomy Cast Ep. 572: Twists in Planet Formation

Astronomy Cast Ep. 572: Twists in Planet Formation by Fraser Cain & Dr. Pamela Gay We're all looking to the next generation of exoplanetary research where we get planets directly. But astronomers are already making great strides in directly...


 2020-06-01  30m

episode 571: Astronomy Cast Ep. 571: Extreme Binaries

So we're familiar with regular binary stars. Two stars orbiting each other. Simple. Of course the Universe has come up with every combination of things orbiting other things, and this week we look at some extreme examples.


 2020-05-24  31m

episode 570: Astronomy Cast Ep. 570: Discovering Comets

Astronomy Cast Ep. 570: Discovering Comets Discovering comets is one of the fields that amateurs can still make a regular contribution to astronomy. But more and more comets are getting found by spacecraft, automated systems and machine learning. This...


 2020-05-18  31m

Ep. 569: Ethics of Commercial and Military Space, Part 1: Private Space Flight

Every year, more and more people are making their way to space. Some private citizens have already gotten their astronaut wings, paying for a trip to space out of their own pocket. What are the ethical implications of this as the costs of spaceflight...


 2020-05-12  27m