Moon – Page 10 – My WordPress Site

Workshop on Ices in the Solar System

Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Gaia - Planetary Perspectives, Moon

Phase of the Moon affects Amount of Rainfall

by Keith CowingJanuary 31, 2016June 13, 2024

Astrochemistry, Moon

Origin of Organic Matter in Apollo Lunar Samples Revealed

by Keith CowingOctober 28, 2015

Astrobiology (general), Astrochemistry, Moon

Studying life's Processes and Origin on the Moon

by Keith CowingFebruary 12, 2014

Moon

Water on Moon's Surface Hints at Water Below

by Keith CowingOctober 30, 2013

Illustration of the behaviour of the CARMENES visible channel CRX for the mid-M dwarf EV Lac. Top Left: Variation of RV as a function of wavelength (spacing is logarithmic). The CRX-index is the slope of RV vs log(λ) for each spectrum. A total of 10 CARMENES spectra are shown covering approximately one stellar rotation. The upper and lower boundaries are the fits to the most positive and negative RV values. Top right: The CRX-gradient, illustrating the CRX-index as a function of mean RV. Bottom Left and Bottom Right: CRX vs rotation phase and RV vs rotation phase illustrating the anti-correlation of CRX-index (i.e. the negative CRX-gradient shown in the top right panel). The plotted points in each panel are colour coded according to stellar rotation phase. -- astro-ph.EP

Astrochemistry, Astrogeology, Biogeochemical Cycles & Geobiology, Biophysics, Icy Worlds, Imaging & Spectroscopy, Moon

Water on the Moon: It’s Been There All Along

by Keith CowingMay 24, 2013June 13, 2024

Dissimilarity analysis of evenness curves of amino acid assemblages. (a): Multidimensional Scaling (MDS) projection of dissimilarities between evenness curves, E(q). Points represent samples; distances between samples grow with dissimilarity. Edges connect samples to the 25th percentile of their nearest neighbors. Markers indicate inferred origin: biotic (green hexagons), abiotic (pink circles), and mixed (blue diamonds). (b): Evenness curve distributions of four distinct sample groups. Solid lines represent mean values, and filled areas represent the one standard deviation interval. (c): Predictive power of a sample’s origin through k-Nearest-Neighbors (kNN) classification, applied to pairwise distances between samples projected onto two MDS axes. Accuracy is quantified using a normalized Matthews Correlation Coefficient (MCC), where 50% corresponds to random assignment and 100% indicates perfect classification. Uncertainty was estimated using multiple initializations of the MDS projection. -- astro-ph.EP

Artemis & Lunar Exploration, Astrochemistry, Astrogeology, Biogeochemical Cycles & Geobiology, Caves, Craters, Mountains & Lava Tubes, Icy Worlds, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Missions & Hardware, Moon

NASA Lunar Reconnaissance Orbiter Reveals Ice Content in Shackleton Crater on the Moon

by Keith CowingJune 20, 2012June 13, 2024

The temperature versus depth and time for 𝜅 = 10−4 W m−1 K−1 , 10−3 W m−1 K−1, and 10−2 W m−1 K−1 (top, middle, and bottom panels). The sublimation temperatures of CO (30 K, dash), CO2 (80 K, dash-dot), and H2O (150 K, dot) are shown as white contours. The depth of heat penetration and volatile activation strongly depends on the thermal conductivity 𝜅. Note that the range of the 𝑦-axis is different for each panel. -- astro-ph.EP

Astrochemistry, Astrogeology, Impact events, Moon, Panspermia

Building Blocks of Early Earth Survived Collision That Created Our Moon

by Keith CowingFebruary 13, 2012June 13, 2024

Credit: R. Lockwood Larger image

Artemis & Lunar Exploration, Astrochemistry, Astrogeology, Comets and Asteroids, Icy Worlds, Imaging & Spectroscopy, Impact events, Mapping, Geodesy, Cartography, Moon

Caltech Team Finds Evidence of Water in Moon Minerals

by Keith CowingJuly 21, 2010June 13, 2024

Moon, Polar / Alpine Expeditions, Space Stations

Apollo 11 Moon Rocks And An Everest Summit Rock At Home In Space

by Keith CowingFebruary 20, 2010December 18, 2023

Time evolution (from left to right) of small grains around Makemake under the influence of solar radiation pressure. -- astro-ph.EP

Moon, Polar / Alpine Expeditions, Space Stations

Everest and Moon Rocks On-Orbit: NASA STS-130 Report #23 5 a.m. CST Friday, Feb. 19, 2010

by Keith CowingFebruary 19, 2010December 18, 2023