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Mercury Shows Off its Reds, Whites, and Blues
An 11-color MESSENGER targeted image of Mercury’s Tyagaraja crater
At first glance, the planet Mercury may bear a striking resemblance to our own Moon. True, both are heavily-cratered, airless worlds that hide pockets of ice inside polar shadows… but there the similarities end. In addition to being compositionally different than the Moon, Mercury also has surface features that you won’t find on the lunar surface — or anywhere else in the Solar System.
The picture above, part of an 11-color targeted image acquired by MESSENGER on April 25, 2013, shows the varied terrain found within the 97-kilometer-wide Tyagaraja crater located near Mercury’s equator. The reds, blues, greens, and oranges, much more saturated than anything we’d see with our own eyes, correspond to surface materials of different compositions… and the brightest spots within the crater are features called “hollows” that are truly unique to Mercury, possibly resulting from the planet’s close interaction with the solar wind.
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Read the rest of Mercury Shows Off its Reds, Whites, and Blues (243 words)
© Jason Major for Universe Today, 2013. |
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Post tags: crater, hollows, JHUAPL, Mercury, MESSENGER, planet, solar wind, Tyagaraja
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Source: http://www.universetoday.com/102143/mercury-shows-off-its-reds-whites-and-blues/
