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    Why Enceladus’ Ice Is Part of the Climate Change Conversation

    To imagine the absence of the Arctic and Antarctica produces something like the opposite of sublime, a pang of emptiness and a longing to appreciate that terrain in person before it passes.Image by NASA / Wikicommons Beneath the icy surface of Saturn’s sixth-largest moon, Enceladus, an ocean dwells. Traces of it get expelled skyward through […]

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    Why Cassini Is Ending Its Life with a Kamikaze Plunge

    This Friday, NASA’s Cassini probe will run out of fuel and take pictures as it plummets at 75,000 miles per hour through Saturn’s atmosphere. It won’t be crashing—the heat from friction will make Cassini immolate in the sky. Cassini has had a good run. Since arriving at Saturn in 2004, the probe has transmitted stunning […]