View Full Version : Podcast: Light Echoes

2011-Mar-02, 01:50 PM
Just as sound can echo off distant objects, light can echo too. And the echoes of light bouncing off stellar remnants, black hole accretion disks, and clouds of gas and dust provide astronomers with another method of probing the distant cosmos. Download Ep. 215: Light Echoes Or subscribe to: astronomycast.com/podcast.xml with your podcatching software. Light [...]

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