Theophilus                                Earth-based telescopic image                               Lunar Orbiter image .

Larger version of above, but rotated  Image by Legault

Full-sized version of Lunar Orbiter image LO4-77H2

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Brief

Theophilus (center of first frame) is one of the most prominent ring mountains with a considerable terraced interior wall. It is 100 km in diameter, and has a depth of 4400 m. The ridge of the wall rises 1200 m above the surrounding terrain. A group of central mountains rises to about 1400 m above the floor. The wall of Theophilus interrupts that of neighboring Cyrillus, proving that the former is the younger formation.

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Other Lunar Orbiter images

http://cass.jsc.nasa.gov/research/lunar_orbiter/img/4-84H2.jpg

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For the latest information and images regarding this section, including Apollo Hasselblad (H), Metric (M), and Panoramic (P) images, go to: Section 46  Clickable Sections Map

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