Carolyn Porco‘s Saturn imaging team has found “tell-tale clues” to a centuries-old mystery surrounding Saturn’s moon Iapetus — why is it stark white on one side, coal black on the other? It’s a striking oddity in a sky full of gray rocks. As the CICLOPS site reports, the white side of this moon is covered with brightly reflective ice, while sunlight has melted the ice on the dark-colored side, revealing the moon’s surface. Watch Carolyn Porco’s 2007 TEDTalk to learn more about this intriguing planet and its moons.
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On July 20, 1969, Neil Armstrong became the first human to walk on the moon. Moon Day is held every July 20 to commemorate this momentous feat. 43 years later, humanity is still looking to the sky, mesmerized by lunar bodies. However, it is not just Earth’s moon we’re studying anymore. With better satellites and […]
In her 2007 TED Talk, “This is Saturn,” planetary scientist Carolyn Porco blew some minds with images taken by Cassini, the robot spaceship launched in October 1997 to study and photograph Saturn and its accompanying moons. Gleaning “oohs” and “aahs” from the assembled TED audience, she concluded with a stunning shot of a backlit picture […]