For all its serene blue beauty from afar , Uranus hides a detail that would make a visitor recoil : its cloud tops are laced with hydrogen sulfide , the very gas that gives rotten eggs their stench , so Uranus literally reeks

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• spacedaily.com For all its serene blue beauty from afar , Uranus hides a detail that would make a visitor recoil : its cloud tops are laced with hydrogen sulfide , the very gas that gives rotten eggs their stench , so Uranus literally reeks