by Staff Writers
Washington DC (SPX) Feb 03, 2016
NASA's Advanced Exploration Systems Division recently selected the Lunar Flashlight CubeSat as a secondary payload to fly aboard the Space Launch System's Exploration Mission-1 (EM-1) flight. Lunar Flashlight, led by a team from the Jet Propulsion Laboratory and Marshall Space Flight Center, will map the lunar south pole for volatiles and demonstrate several technological firsts, including being the first CubeSat to reach the moon, the first planetary CubeSat mission to use green propulsion, and the first mission to use lasers to look for water ice.
Locating ice deposits in the moon's permanently shadowed craters addresses one of NASA's Strategic Knowledge Gaps (SKGs) to detect composition, quantity, distribution, form of water/H species and other volatiles associated with lunar cold traps. The scientific and economic importance of lunar volatiles extends far beyond the question "is there water on the moon?"
Volatile materials including water come from sources central to NASA's strategic plans, including comets, asteroids, interplanetary dust particles, interstellar molecular clouds, solar wind, and lunar volcanic and radiogenic gases. The volatile inventory, distribution, and state (bound or free, evenly distributed or blocky, on the surface or at depth, etc.) are crucial for understanding how these molecules interact with the lunar surface, and for utilization potential.
The Lunar Flashlight mission spacecraft maneuvers to its lunar polar orbit and uses its near infrared lasers to shine light into the shaded polar regions, while the on-board spectrometer measures surface reflection and composition. The Lunar Flashlight 6U spacecraft has heritage elements from predecessor systems including JPL's INSPIRE and JPL's experience with imaging spectrometers, including the Moon Mineralogy Mapper (M3).
The mission will demonstrate a path where 6U CubeSats could, at dramatically lower cost than previously thought possible, explore, locate and estimate size and composition of ice deposits on the moon. It is a game-changing capability for expanded human exploration, planetary science, heliophysics, and other relevant instrument applications.
Polar volatile data collected by Lunar Flashlight could then ensure that future exploration targets for more expensive lander- and rover-borne measurements would include volatiles in sufficient quantity and near enough to the surface to potentially be operationally useful.
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