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Complex explosive volcanic activity on the Moon within Oppenheimer crater
Bell, James F.; Horgan, Briony H. N.; Hayne, Paul O. +5 more
Oppenheimer crater is a floor-fractured crater located within the South Pole-Aitken basin on the Moon, and exhibits more than a dozen localized pyroclastic deposits associated with the fractures. Localized pyroclastic volcanism on the Moon is thought to form as a result of intermittently explosive Vulcanian eruptions under low effusion rates, in c…
Characteristics of proton velocity distribution functions in the near-lunar wake from Chandrayaan-1/SWIM observations
Barabash, Stas; Holmström, Mats; Futaana, Yoshifumi +5 more
Due to the high absorption of solar wind plasma on the lunar dayside, a large scale wake structure is formed downstream of the Moon. However, recent in-situ observations have revealed the presence of protons in the near-lunar wake (100 km to 200 km from the surface). The solar wind, either directly or after interaction with the lunar surface (incl…
Comparison of lunar red spots including the crater copernicus
Ivanov, M.; Korokhin, V.; Kaydash, V. +4 more
The lunar red spots, Helmet, Hansteen Alpha, and the NW quadrant of the crater Copernicus, were selected for a complex comparative investigation of their characteristics measured by the spacecraft Clementine, LRO, and Chandrayaan-1. For the analysis we used the following parameters: the reflectance A(750 nm), color-ratio A(750 nm)/A(415 nm), param…
Geomorphology of Lowell crater region on the Moon
Srivastava, N.; Varatharajan, I.
Surface topography, surface morphology and crater chronology studies have been carried out for the Lowell crater region (occupying ∼198 × 198 km2 in the northwestern quadrant of the Orientale basin) using Kaguya TC-DTM, LRO-WAC data, and Chandrayaan-1 M3-750 nm image, to characterize and date Lowell impact event and to identi…
Observation of Neon at mid and high latitudes in the sunlit lunar exosphere: Results from CHACE aboard MIP/Chandrayaan-1
Bhardwaj, Anil; Sridharan, R.; Thampi, Smitha V. +2 more
The distribution of neutral Neon at the mid and high latitudes in the sunlit lunar exosphere observed by CHandra's Altitudinal Composition Explorer (CHACE) aboard the Moon Impact Probe (MIP) of the Chandrayaan-1 is reported. The CHACE observation was made when Moon was in the Earth's magnetotail. The upper limits of the surface number density are …