'Volcanic' comet 29P blows its top in superoutburst creating coma wider than Jupiter -- Science & Technology -- Sott.net : vimarsana.com

So you think you know what a comet is? Think again. Comet 29P/Schwassmann-Wachmann is challenging old ideas. Astronomers call it a comet, but, really, "giant space volcano" might be a better description. It's a 60-km-wide ball of ice orbiting the...

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