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What is Podcasting?
Subscribe and automatically download fresh audio/video content: View content online by clicking the "View Podcast" links below (requires QuickTime 7.0 or other H.264-compliant video viewer. If videos do not play, right click or control click on the link to download the file to your hard drive & then open). Or, subscribe to the podcast using a program such as iTunes or ipodder with the podcast RSS/XML web address (listed below).
More Podcasts: [ High Def ] [ Standard Definition ] [ Touch the Invisible Sky ]
Video Podcast Listing (Archive)
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Chandra in the (Google) Sky
(01-29-2008)
Astronomy is truly in a golden age. With a fleet of space-based observatories, including the Chandra X-ray Observatory, astronomers now have a suite of amazing tools to study the Universe. Simultaneously to this bonanza in astronomy has been the growth and expansion of the Internet. Think back to before 1990. The Internet was barely a rumor and there were no Great Observatories! But now people are taking advantage of these two seemingly separate advances to do some amazing things
- View Video Podcast (20.7 MB, Runtime: 4:27)
- Listen to Audio Only
- Transcript
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What's in a Name?
(01-02-2008)
Names in astronomy don't always tell the whole story. Let's take, for example, radio galaxies. Why, might you ask, would a Chandra podcast talk about such an object? The answer is that radio galaxies are, yes, very bright in radio emission. But they are also powerful emitters of X-rays, optical light and from other parts of the electromagnetic spectrum. More than that, they are important objects that really have played a very big role in how the Universe has evolved.
- View Video Podcast (34.3 MB, Runtime: 5:20)
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- Transcript
- Related Links:
-- 3C321
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The Truth and Lies about Black Holes
(11-30-2007)
Black holes have a bad reputation. After all, something that could swallow you completely sounds pretty scary. They're invisible, so maybe there's one just around the corner and we dont know it! Also, arent they enormous vacuum cleaners capable of destroying anything that gets near them? Once the black hole starts pulling on something, isnt that just a one-way ticket to oblivion? Well, not all of these things are exactly true.
- View Video Podcast (32.5 MB, Runtime: 5:00)
- Listen to Audio Only
- Transcript
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When Will History Repeat Itself?
(10-31-2007)
Astronomers think that a supernova should go off in our own Milky Way galaxy every 50 years or so. When was the last one we've seen? Probably 1604. Yes, that's over 400 years ago. This being astronomy however, things will undoubtedly average out over the long run, but in the meantime, we're left without a recent supernova in our Galaxy to study. Luckily for us, astronomers from previous centuries were on the case.
- View Video Podcast (36.2 MB, Runtime: 5:34)
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- Transcript
- Related Links:
-- Blasts From The Past: Historic Supernovas
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From First Light to Eighth Anniversary
(08-24-2007)
Chandra's launch aboard the Space Shuttle Columbia on July 23, 1999, was obviously a very important event. However, you might say it wasn't until about a month later that the Chandra mission really got started. In late August, after weeks of getting the spacecraft into the correct orbit and testing out various aspects of the satellite, Chandra was ready for its debut to the public. This was Chandra's First Light. Chandra's director, Dr. Harvey Tananbaum, explains the significance of that early image.
- View Video Podcast (29.6 MB, Runtime: 4:21)
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- Transcript
- Related Links:
-- Cassiopeia A
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How It All Started
(07-26-2007)
Just after midnight on July 23, 1999, the Space Shuttle Columbia launched in orbit with the heaviest payload ever carried by a shuttle. Its precious cargo was the Chandra X-ray Observatory, which has helped revolutionize our understanding of the Universe.
- View Video Podcast (30.8 MB, Runtime: 4:32)
- Listen to Audio Only
- Transcript
- Related Links:
-- STS-93 - Chandra Deployment Mission
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Mergers And Acquisitions In The Cosmos
(06-28-2007)
News about mergers is usually found in the business section. But many objects in the Universe, from black holes to clusters of galaxies, are also prone to mergers. Like the corporate world, cosmic mergers are dictated by where the most assets lie.
- View Video Podcast (39 MB, Runtime: 5:26)
- Listen to Audio Only
- Transcript
- Related Links:
-- Andromeda Galaxy (M31)
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The Bigger They Are, The Harder They Fall
(05-24-2007)
When you look at the night sky, stars look like permanent fixtures of light. However, stars are born, live for a period of time, and then ultimately die. How they die is directly linked to how massive they were when they were born.
- View Video Podcast (30.6 MB, Runtime: 4:32)
- Listen to Audio Only
- Transcript
- Related Links:
-- SN 2006gy
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Please note: These podcasts include artist illustrations and conceptual animations in addition to astronomical data.
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