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Mona Evans
Mona Evans • 17 weeks ago

"Mercury's moon." March 31, 2012. It's a small bright spot in the discovery image, taken yesterday by the MESSENGER wide angle camera. The moon is about 70 m (230 ft) in diameter, orbiting Mercury at a mean distance of 14,300 km (8,890 miles). The name Caduceus, after the staff carried by the Roman god Mercury, is proposed to the IAU. (Credit: NASA) APRIL FOOL! Mona Evans, "Astronomy April Fools" www.bellaonline.c...

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