By Raffaello Lena, Christian Wöhler, Jim Phillips, Maria Teresa Chiocchetta
Lunar domes are constructions of volcanic starting place that are frequently tricky to monitor because of their low heights. The Lunar Domes guide is a reference paintings on those elusive beneficial properties. It presents a set of pictures for various lunar domes, together with telescopic photos received with complicated yet nonetheless reasonably tricky beginner apparatus in addition to contemporary orbital spacecraft photographs. assorted equipment for making a choice on the morphometric homes of lunar domes (diameter, top, flank slope, edifice quantity) from photo information or orbital topographic info are mentioned. also, multispectral and hyperspectral photo facts are tested, supplying insights into the composition of the dome fabric. a number of type schemes for lunar domes are defined, together with an procedure according to the made up our minds morphometric amounts and spectral analyses. moreover, the publication offers an outline of geophysical versions of lunar domes, which yield information regarding the houses of the lava from which they shaped and the intensity of the magma resource areas lower than the lunar floor.
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Additional info for Lunar Domes: Properties and Formation Processes
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However, no statements are made about the lateral resolution and vertical accuracy of the DEM, and to our knowledge only one local TMC-based dome DEM has been published so far. 1 Shadow Length Measurements From the shadow length l corrected for foreshortening and a local solar elevation angle µ, the height h of a dome is given by h = l tan µ. 2) where D is the diameter of the dome and h its height. The heights of more than 200 lunar domes were determined by Brungart (1964) based on telescopic lunar photographs by measuring shadow lengths, but his height estimates tend to be systematically too high.
G. olivine), and ferroan anorthosite (FAN). They construct a so-called “petrographic map” based on abundance measurements of the elements iron (Fe), magnesium (Mg), and aluminium (Al) obtained by the Lunar Prospector Gamma Ray Spectrometer (LP GRS), which indicates the relative fractions of the three endmembers across the lunar surface. e. about 150 × 150 km at the lunar equator. A regression method to exploit the correlations between the spectral parameters extracted from interpolated Clementine UVVIS + NIR spectra (cf.
8 Gruithuisen domes and Mons Hansteen. The relative content of mare basalt, Mg-rich rock, and FAN is denoted by the red, green and blue channel of the petrographic maps. a Spectral analysis of the Gruithuisen domes. Abundance maps of Al (0–20 wt%), Fe (0–25 wt%, regression method vs. method by Lucey et al. (2000)), Mg (0–16 wt%), and petrographic map. b Spectral analysis of the region around Mons Hansteen. 9), where the relative content of mare basalt, Mg-rich rock, and FAN is denoted by the red, green, and blue channel, respectively.
