Chandrakat3 APXS is at lunar high latitude


Changes in the Thermal Regime revealed from Shallow to Deep Source Melting in the Moon. Nat. Commun. 13, 7594 (2022)

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Chandrayaan-3’s Vikram lander touched down on 23 August 2023. It released a rover called Pragyan, which collected data ranging from temperature to seismological measurements over 10 days.

The regolith is the fine material that covers the lunar surface. The rover stopped 23 times and deployed an instrument called an alpha-particle X-ray spectrometer (APXS).

After analyzing the data, it appears that the ground truth is always good to know.

The origin of the Moon. The lunar polar regions from Kaguya spectral profiler and Lunar Orbiter laser altimeter data

The best model for the origin of the Moon is that the newly formed Earth was struck by a large impactor, called Theia, which vaporized the planet’s surface and blasted a large amount of material into orbit. The moon was formed swiftly because of the scattered material. The impact theory explains what makes lunar rocks similar to Earth.

Vadawale and his colleagues found that their samples contained elevated levels of magnesium compared with those of calcium. The deeper mafic material may have been used in the regolith.

The South Pole-Aitken basin seems to be dominated by a mineral called pyroxene, which does not fit with Pragyan’s data. He says that the solution will probably need samples to be brought back to Earth.

McGetchin, T. R., Settle, M. and Head analyzed impact craters to find out how much of a variation they have in thickness. Earth Planet. A review of the Lett. 20, 227–235.

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Chandrayaan-2 Pragyaan rover: ground calibration of an Alpha Particle X-ray Spectrometer at lunar high latitude

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Source: Chandrayaan-3 APXS elemental abundance measurements at lunar high latitude

Mapping of lunar retraining elements with the Chandrayaan-2 Large Area Soft X-ray Spectrometer (CLASS)

There is a file format for the OGIP. https://heasarc.gsfc.nasa.gov/docs/heasarc/ofwg/docs/spectra/ogip_92_007.pdf (2021).

The mapping of lunarrestraining elements is done using a combination of regression and machine learning. Astron. Astrophys. 627, A155 (2019).

It was Pillai, N. S. et al. Calibration, in-flight performance and first results are what you get with the Chandrayaan-2 Large Area Soft X-ray Spectrometer (CLASS). Icarus 363, 114436 (2021).

Source: Chandrayaan-3 APXS elemental abundance measurements at lunar high latitude

Physicochemistry of thullockite-rich lithologies with applications to bulk clasts in breccia 62236

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Nord, G. L. Jr & Wandless, M. V. Petrology and comparative thermal and mechanical histories of clasts in breccia 62236. J. Geophys. Res. Solid Earth 88 was published in 1983.

Hollocher, K.NORM4 was involved in programs that calculated petrologic norms from whole-rock chemical analyses. Zenodo was published at a rate of 10.38 for every 10,000 copies.