"Moon Once Had Atmosphere, New Research Says" Topic
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Tango01 | 20 Oct 2017 8:59 p.m. PST |
""It just completely changes the way we think of the Moon. It becomes a much more dynamic planetary body to explore," said Dr. Debra Needham, a planetary volcanologist at NASA's Marshall Space Flight Center. Discovering the existence, thickness and composition of the lunar atmosphere began with understanding how much lava erupted on the Moon 3.9 to 1 billion years ago, forming the lava plains we see as the dark areas on the surface of the Moon today. Dr. Needham and her colleague, Lunar and Planetary Institute researcher Dr. David Kring, then used lab analyses of lunar basalts returned to Earth by the Apollo crews to estimate the amounts and composition of gases (volatiles) released during those volcanic eruptions…" Main page link Amicalement Armand
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