Set aside since the 70s, the pristine sample container holds clues to the moon's past and future.
, which was collected from a pile of debris deposited by a lunar landslide, will be opened for the first time in the coming weeks, says ANGSA researcher Charles Shearer, a research scientist at the University of New Mexico and a visiting researcher at the Lunar and Planetary Institute. This sample was stored in a Core Sample Vacuum Container , an elaborate air-tight apparatus whose penetration has been plotted for over a year.
Schmitt and Shearer will help measure 73001’s lunar volatiles — easily vaporized chemical elements that are embedded into the moon’s soil. Using a relatively new technique that identifies each substance in a material by its mass, the team can measure the volatile elements and additional compounds that decay over time in the sample. Collectively, this data provides clues as to when and how the landslide occurred — for example, whether it was caused by a seismic or an impact event.
Dyar is examining the water and oxygen content of the glass beads as a record of the environment of the lunar interior. Dyar and other researchers’ work suggests the inside of the moon is not dry and oxygen-free as it was long assumed to be, challenging scientific understanding of how the moon formed. “We're kind of groping our way backwards through prior misconceptions about the lunar interior,” she says.
Similarly, the electronic state of the metal atoms in the bead, which provides a measure of oxygen, can change after the eruption. Charged particles in solar wind might interact with the glass on the surface of moon, or oxygen on Earth could react with the bead after it is returned from space.
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