When the Deep Impact probe hit Comet 9P/Tempel, there was almost no change in brightness. ... This outburst by Comet Holmes is extreme! (Brian G. Marsden)

When the Deep Impact probe hit Comet 9P/Tempel, there was almost no change in brightness. ... This outburst by Comet Holmes is extreme!

Brian G. Marsden

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almost brightness change comet deep extreme hit impact outburst probe holmes

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