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Mare Smythii
Mare Smythii (click to enlarge)

Mare Smythii

The featured image shows the interior of a fresh impact crater (approximately 300 m in diameter) in the Mare Smythii region. In the high-sun image above, it is hard to recognize topographic features because there are no shadows. The wider view below, paired with a lower-sun image of the same crater on the right, gives a sharper view of small scale features such as boulders.

The floor of this small crater looks like a basket of impact-melt covered rocks, containing secrets about the age of recent impacts and the processes that cause their fresh rays to fade.

Mare Smythii, located on the eastern limb of the Moon, contains relatively young (1-2 billion years old) basaltic lavas. The western portion of the region encompasses the crater Schubert C, the floor of which is fractured, possibly due to intrusions of lava beneath its surface.

Mare Smythii contains many beautiful features, several of which are highlighted in high-sun images such as the one above.

Credit: NASA/GSFC/Arizona State University

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Last Updated: 3 Jan 2013