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Planetary Geology pdf - NASA

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10 km<br />

Exercise Four: Impact Cratering<br />

N<br />

Figure 4.1. Apollo 15 photograph of lunar craters Messier A and B. The small crosses are camera registration marks.<br />

North is to the upper right corner of the photo. The oblong crater (Messier A) is 11 kilometers in diameter. (Apollo<br />

Metric frame AS152674).<br />

EG-1998-03-109-HQ Activities in <strong>Planetary</strong> <strong>Geology</strong> for the Physical and Earth Sciences<br />

61

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