Malapert Mountain as a Lunar Outpost Paul Lowman Planetary Geodynamics Lab Title Slide.

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Presentation transcript:

Malapert Mountain as a Lunar Outpost Paul Lowman Planetary Geodynamics Lab Title Slide

Clementine Mosaic of the Moon’s South Pole Arrow points to Shackleton Crater; rim thought to be continually sunlit, recommended as a lunar outpost site Clementine picture of the south pole of the moon

Relief Map of Lunar South Pole From Clementine Atlas of the Moon (Busse and Spudis, 2004). Zero meridian (top) points north, toward Earth

Arecibo Radar Image of South Pole Earth-based radar shows area of Moon in continual microwave and earthshine visibility.

Lunar Orbiter 4 View of South Pole Location of Shackleton Crater

Lunar Orbiter 4 Picture of Shackleton Most of rim sunlit, but not all (note dark segment on south rim)

Lunar Orbiter 4 Picture of Shackleton and Malapert Mountain Malapert Mountain Shackleton Crater Shackleton rim almost all dark Completely sunlit

Lunar Orbiter 4 picture of Shackleton and Malapert Mountain Malapert Shackleton Shackleton rim almost all shaded Malapert Mountain in full sunlight on earth side and top.

Lunar Orbiter 4 Picture of Shackleton Crater Rim of Shackleton almost entirely shaded; note decreasing visibility of Amundsen Crater Amundsen Crater

Apollo Picture of Euler (29 km diameter) Topography probably similar to Shackleton; note rough flanks and narrow rim

Lunar Orbiter 4 Close-up of Malapert Mountain MM about 50 km left to right Top of MM relatively smooth; note only one crater North face and top continually sunlit on all available Lunar Orbiter photos Slopes probably smooth, similar to Apennines at Apollo 15 landing site

Surveyor VII View of North Flank of Tycho Crater Note thin regolith, rough terrain. probably similar to flank of Shackleton Crater

Small Crater Populations, Surveyor I and VI Sites Similar slopes and intercepts imply steady-state small crater population, similar on all mare sites

Surface Particle Size Distribution, Surveyor I and III Sites Similar slopes and intercepts imply similar regolith properties at all mare sites; steady state feature

Particle Size Distribution, Returned Lunar Soil Samples Particle Size Distribution, Surveyor VII Site, vs. Single Cratering Event in Solid Rock Diagram explains regolith at Tycho: immature, thin Similar slopes of regolith returned samples shows similarity of mature regolith at mare and highland sites. Implies similar regolith on Malapert Mountain.

Epithermal Neutron Counts, Lunar Prospector Orbits Epithermal Neutron Count Maps, North Pole (left) and South Pole (right) Low neutron counts indicate high hydrogen content; note sharp drops over both poles. South pole map shows closeness of Malapert Mountain to high-hydrogen areas; compare with Clementine mosaic showing shaded areas.

Advantages of Malapert Mountain as an Outpost Site Long-term continuous sunlight on top and north side Large relatively smooth area for landing and surface operations Probable thick, workable regolith Close to shaded areas, high hydrogen content Dynamic accessibility; zero longitude; LOR mode with no plane changes; anytime return Uninterrupted microwave visibility from Earth