Ep. 592: Gamma-Ray Bursts - Updated

Astronomy Cast

Natural Sciences, Science, Astronomy

4.8 • 3.4K Ratings

🗓️ 25 January 2021

⏱️ 29 minutes

🔗️ Recording | iTunes | RSS

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Summary

Astronomy Cast Ep. 592: Gamma-Ray Bursts - Updated by Fraser Cain & Dr. Pamela Gay Some of the most powerful explosions in the Universe are gamma-ray bursts, capable of blasting a beam of death half way across the galaxy. In just the last few years astronomers have discovered a tremendous amount about these blasts and what's actually causing them. The answer, of course, is that it's more complicated than we originally thought. The old Gamma-Ray bursts show: http://www.astronomycast.com/2007/05/episode-36-gamma-ray-bursts/

Transcript

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0:00.0	A Sronomycast Episode 592, Gamma Rebirths, updated.
0:12.8	Welcome to the Sronomycast, our weekly facts-based journey through the cosmos, where we help
0:16.1	you understand not only what we know, but how we know what we know.
0:19.6	I'm Fraser Kane, publisher of the universe today, with me as always, Dr. Pamela Gay, senior
0:24.5	scientist for the Planetary Science Institute, and the Director of Cosmic Quest.
0:28.9	Hey, Pamela, how you doing?
0:30.0	I'm doing well.
0:32.2	Our country has moved on into a time where science is constantly being discussed, and there
0:39.0	is a moon rock.
0:40.4	A moon rock in the oval office right now.
0:43.8	I see the picture is so cool.
0:44.8	Yeah, yeah.
0:45.8	It looks big in the...
0:47.8	Well, moon rocks come in many different sizes, and if you're going to show one off, don't
0:52.1	show off the dust grains.
0:53.4	Yeah, one of the big ones.
0:55.0	Yeah, they backpack something like 200 kilograms of rock from the moon, from dust, and even
1:01.0	like that dust is of high value.
1:04.5	Oh, yeah.
1:05.5	But there are a couple of fairly large rocks, and to have a cool moon rock.
1:09.9	That's...
1:10.9	I mean, you can imagine anyone who comes in and wants to talk about the future of the
	...

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