Light Echoes

An echo of light at V838 Mon

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

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Light Echoes shownotes and transcript.

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(C) nancy for Universe Today, 2011. | Permalink | 6 comments | Add to del.icio.us Post

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