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Ejecta from the DART-produced active asteroid Dimorphos [PDF]
Nature, 2023 Some active asteroids have been proposed to be formed as a result of impact events^ 1 . Because active asteroids are generally discovered by chance only after their tails have fully formed, the process of how impact ejecta evolve into a tail has, to our ...
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Ejecta Pattern of Oblique Impacts on the Moon From Numerical Simulations
Journal of Geophysical Research: Planets, 2022The commonly adopted ejecta deposit models always assume vertical impacts for simplification. However, most impacts on planetary surfaces are oblique, which produce significantly different ejecta patterns from vertical impacts.
Xi‐Zi Luo, Meng‐Hua Zhu, M. Ding
semanticscholar +1 more source
Geophysical Research Letters, 2021
Chang'e‐5 successfully returned ∼1,731 g of lunar samples on December 17, 2020. We systematically studied the morphology and morphometry of craters surrounding the Chang'e‐5 site based on high‐resolution images.
Y. Qian +10 more
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Chang'e‐5 successfully returned ∼1,731 g of lunar samples on December 17, 2020. We systematically studied the morphology and morphometry of craters surrounding the Chang'e‐5 site based on high‐resolution images.
Y. Qian +10 more
semanticscholar +1 more source
Signatures of hypermassive neutron star lifetimes on r-process nucleosynthesis in the disc ejecta from neutron star mergers [PDF]
Monthly Notices of the Royal Astronomical Society, 2017 We investigate the nucleosynthesis of heavy elements in the winds ejected by accretion discs formed in neutron star mergers. We compute the element formation in disc outflows from hypermassive neutron star (HMNS) remnants of variable lifetime, including ...
Jonas Lippuner +2 more
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Scientific Reports, 2019 Ejecta with a size much larger than the mean particle size of feedstock powder have been observed in powder bed fusion additive manufacturing, both during post-process sieving and embedded within built components.
Abdalla R Nassar, Edward W Reutzel
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Journal of Geophysical Research: Planets, 2020
A clear understanding of ballistic sedimentation is critical for interpreting the evolution of the lunar surface and the provenance of lunar samples. Quantitative models have been established to estimate the characteristics of ejecta deposits, such as ...
M. Xie, Tiantian Liu, A. Xu
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A clear understanding of ballistic sedimentation is critical for interpreting the evolution of the lunar surface and the provenance of lunar samples. Quantitative models have been established to estimate the characteristics of ejecta deposits, such as ...
M. Xie, Tiantian Liu, A. Xu
semanticscholar +1 more source
14. Pseudomyrma ejecta. Worker. Length 1 1/2 line.-Rufo-testaceous, smooth and shining: the head, hinder part of the thorax, femora and tibiae, darker-coloured; abdomen blackish-brown; the thorax strangulated in the middle, the first node of the petiole subelongate, a minute tooth at the base of the petiole beneath, both the nodes rufo-testaceous; the ...
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Light curves and colours of the ejecta from Dimorphos after the DART impact
Nature, 2023Ariel Graykowski +2 more
exaly
High-entropy ejecta plumes in Cassiopeia A from neutrino-driven convection
Nature, 2021Toshiki Sato +2 more
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