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Recent Podcast
A Tour of Tycho's Supernova Remnant
A Tour of Tycho's Supernova Remnant
In modern times, astronomers have observed the debris field from this explosion - what is now known as Tycho's supernova remnant - with many telescopes including the Chandra X-ray Observatory. (2016-05-25)
Chandra X-ray Observatory Podcasts (Standard Definition)

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A Tour of NGC 5813 (07-06-2015)
Galaxy groups are families of galaxies that are bound together by gravity. They are very similar to their larger cousins, galaxy clusters.

- Related Links:
--  Chandra Finds Evidence for Serial Black Hole Eruptions

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Light Beyond the Bulb: Over and Beyond the Rainbow (07-01-2015)
While scientists and philosophers have tried to figure out exactly what light is for millennia, it's only been in the past several hundred years or so that we've really started to figure it out.

- Related Links:
--  Light Beyond the Bulb

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A Tour of Circinus X-1 (06-25-2015)
These rings are light echoes, similar to sound echoes that we may experience here on Earth.

- Related Links:
--  X-ray Echoes Pinpoint Location of Distant Flaring Neutron Star

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Light Beyond the Bulb: Intro to Light (06-04-2015)
The year 2015 has been declared to be the International Year of Light and Light-based Technologies by the United Nations.

- Related Links:
--  Light Beyond the Bulb

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A Tour of Space-time Foam (05-29-2015)
Since space-time foam, as it is called, is so tiny, scientists cannot observe it directly.

- Related Links:
--  NASA Telescopes Set Limits on Space-time Quantum Foam

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Please note: These podcasts include artist illustrations and conceptual animations in addition to astronomical data.