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| Keywords: Mare Serenitatis AS17-150-23069.jpg Southern Mare Serenitatis on the moon This is Figure 59 of Apollo Over the Moon NASA SP-362 1978 which has the following caption <br> Some of the strongest tonal color and structural contrasts among mare materials occur in Mare Serenitatis Accordingly it has become a classic area for studying the sequence or stratigraphy of mare rocks Earlier studies of telescopic photographs seemed to provide evidence that the lighter materials in the center of the basin top half of this view were emplaced before the darker lavas erupted along the basin margin However pictures returned by Apollo 17 show that the opposite is true The dark materials were emplaced first They were then tilted northward and broken by faults such as those that bound the Plinius Rilles before the light lava flooded against them Howard et al 1973 The large mare ridge or wrinkle ridge deforms both light and dark mare units but is much more prominent in the lighter unit Detailed spectral studies and visual observations by the Apollo 17 astronauts show that the lighter-toned mare is relatively browner and the darker mare is relatively bluer -K A H Keith A Howard Apollo 17 Hasselblad camera image AS17-150-23069 <br/> Immediate source Image Immediate source Lunar and Planetary Institute Apollo Image Atlas<br>Hasselblad Camera Image Catalog http //www lpi usra edu/resources/apollo/frame/ AS17-150-23069 AS17-150-23069<br> Text NASA History Program Office http //history nasa gov/SP-362/contents htm Apollo Over the Moon A view from orbit NASA SP-362 1978 <br>http //history nasa gov/SP-362/ch4 1 htm Figure 59 caption in Chapter 4 original 1972 text published 1978 NASA<br/> PD-USGov Original upload log en wikipedia Mare+Serenitatis+AS17-150-23069 jpg wikitable - 2015-08-01 02 07 2400×2400× 5053702 bytes Jstuby Oblique view of crater chain known as Catena Gregory near Gregory crater on the far side of the moon Facing northwest This is Figure 134 of Apollo Over the Moon NASA SP-362 1978 whi Mare Serenitatis Rimae Plinius Dorsum Nicol Brackett crater Promontorium Archerusia | ||||
