Retrieving "Earth Hours" from the archives

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1. Jupiter (planet/)

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   The planet's characteristic coloration—bands of pale zones and darker belts—is not due to chemical differences but rather to atmospheric depth and the presence of 'chromophores,' complex, short-lived molecules formed when ultraviolet radiation interacts with ammonia ice crystals at high altitudes. These chromophores are notoriously susceptible to environmental fluctuation; for instance, during periods o…