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Saturday, September 10, 2011


Comet Elenin by Radar

Leonid Elenin reports of the first radio telescope observation of comet C/2010 X1 Elenin. Radar spectroscopy did not pick up any signature of water vapour from the comet, suggesting that it has well and truly broken up. We will have to wait for Comet Elenin to come into range of the Arecibo radio telescope and the SOHO spacecraft to learn more.

In the meantime, Michael Mattiazzo's latest Elenin images show it fading and becoming more tenuous than before.

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