Star Power

Sci Guys Moonstruck Over Heavenly Bods

As it does every three years, the INTERNATIONAL ASTRONOMICAL UNION has just announced its latest roster of official astronomical names, and as usual, the list is highly eclectic. It's not surprising that CARL SAGAN was honored with a 50-mile-wide crater on Mars. And the names Prospero, Setebos, Stephano, Caliban and Sycorax for five moons of Uranus make sense, since the planet's other moons are mostly named for characters in Shakespeare's The Tempest. Even a moonlet called Petit-Prince is defensible, since it orbits the asteroid Eugenia--and the son of Empress Eugenie and Napoleon III had that rather literal name.

Other names are...

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