Results 11 to 20 of about 1,375,226 (323)

Spectrophotometric and Topographic Correlations within the Mare Ingenii Swirl Region: Evidence for a Highly Mobile Lunar Regolith

open access: yesThe Planetary Science Journal, 2023
The spectrophotometric properties of two study areas in the Ingenii swirl region show that the combined effects of multiple processes are required to explain the regolith’s mineralogical and physical properties.
Deborah Domingue   +7 more
doaj   +1 more source

Pre-landing Assessment of the Surface and Shallow Subsurface Thermal Setting of Mare Crisium of the Moon for the Heat Flow Measurement Planned on the Blue Ghost 1 Mission

open access: yesThe Planetary Science Journal, 2023
In 2024, under NASA’s Commercial Lunar Payload Services initiative, a robotic lander will touch down in Mare Crisium of the Moon and deploy a heat flow probe.
Seiichi Nagihara
doaj   +1 more source

The Role of the Commercial Space Industry within the US National Security under the Trump Administration

open access: yesВестник Московского Университета. Серия XXV: Международные отношения и мировая политика, 2021
The US space activities from their inception have been closely connected with the private sector. However, only in 2010s private space companies have come to play a prominent role not only on the global market of space services but in the field of ...
E. A. Kuznetsov
doaj   +1 more source

Generating and storing power on the moon using in situ resources

open access: yesProceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 2021
The Moon Village and similar concepts are strongly reliant on in situ resource utilisation (ISRU). There is great interest in harvesting solar power using locally leveraged in situ resources as an essential facet of in situ infrastructure. Traditionally,
A. Ellery
semanticscholar   +1 more source

COVID-19 Campus Closures in the United States: American Student Perceptions of Forced Transition to Remote Learning

open access: yesSocial Sciences, 2021
As colleges and universities rapidly closed due to COVID-19, students and faculty were faced with unique challenges. The pandemic forced the cancellation of all campus activities, both extra-curricular and program-focused, such as student teaching ...
Susan W. Parker   +2 more
doaj   +1 more source

Yearling proportion correlates with habitat structure in a boreal forest landbird community [PDF]

open access: yesPeerJ, 2020
Landbird vital rates, such as productivity and adult survivorship, can be estimated by modeling mist-netting capture data. The proportion in which an adult breeding bird is 1 year of age (a “yearling”), however, has been studied only minimally in a few ...
Peter Pyle   +4 more
doaj   +2 more sources

Conditions and extent of volatile loss from the Moon during formation of the Procellarum basin

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2021
Significance The depletion of moderately volatile elements in the lunar interior, compared to the Earth’s interior, is accompanied by enrichment in heavy isotopes for most species.
R. Tartèse, P. Sossi, F. Moynier
semanticscholar   +1 more source

Collision Chains among the Terrestrial Planets. III. Formation of the Moon [PDF]

open access: yesThe Planetary Science Journal, 2021
In the canonical model of Moon formation, a Mars-sized protoplanet “Theia” collides with proto-Earth at close to their mutual escape velocity v esc and a common impact angle ∼45°.
E. Asphaug   +4 more
semanticscholar   +1 more source

The Moon’s farside shallow subsurface structure unveiled by Chang’E-4 Lunar Penetrating Radar

open access: yesScience Advances, 2020
The complex stratigraphic structure of the Moon's farside imaged for the first time using subsurface radar. On 3 January 2019, China’s Chang’E-4 (CE-4) successfully landed on the eastern floor of Von Kármán crater within the South Pole–Aitken Basin ...
Chunlai Li   +19 more
semanticscholar   +1 more source

Thermal metamorphism on the Moon as recorded by the granulite suite

open access: yesJournal of the Geological Society, 2021
Thermally metamorphosed rocks on the Moon are an important, yet under-studied, suite of lithologies that have been identified within the Apollo and lunar meteorite collections.
J. Pernet-Fisher, K. Joy
semanticscholar   +1 more source

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