Results 31 to 40 of about 657,244 (303)
The origin of dust in galaxies across cosmic time [PDF]
Monthly notices of the Royal Astronomical Society, 2020 We study the dust evolution in galaxies by implementing a detailed dust prescription in the SAGE semi-analytical model (SAM) for galaxy formation. The new model, called Dusty SAGE, follows the condensation of dust in the ejecta of Type II supernovae ...
Dian Puspita Triani +4 more
openalex +3 more sources
Identification of PAH Isomeric Structure in Cosmic Dust Analogues: the AROMA setup. [PDF]
Astrophys J, 2017 We developed a new analytical experimental setup called AROMA (Astrochemistry Research of Organics with Molecular Analyzer) that combines laser desorption/ionization techniques with ion trap mass spectrometry.
Sabbah H +5 more
europepmc +3 more sources
The ALMA Spectroscopic Survey in the HUDF: The Cosmic Dust and Gas Mass Densities in Galaxies up to z ∼ 3 [PDF]
Astrophysical Journal, 2020 Using the deepest 1.2 mm continuum map to date in the Hubble Ultra Deep Field, which was obtained as part of the ALMA Spectroscopic Survey (ASPECS) large program, we measure the cosmic density of dust and implied gas (H2+H i) mass in galaxies as a ...
B. Magnelli +26 more
semanticscholar +1 more source
Simulation of grid morphology’s effect on ion optics and the local electric field
AIP Advances, 2022 Electric field ion optics are employed by many scientific instruments for investigating ions, e.g., using time-of-flight mass spectrometers. A common design feature of such instruments is the grounded grid that provides boundaries between regions that ...
Z. Levin, S. Kempf
doaj +1 more source
Cosmic dust in space and on Earth [PDF]
Astronomy & Geophysics, 2017 P. J. Wozniakiewicz
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Analyzing LDEX's Current Measurements in Lunar Orbit
The Planetary Science Journal, 2023 The Lunar Dust Experiment (LDEX) on board the Lunar Atmosphere and Dust Environment Explorer mission orbited the Moon from 2014 September to 2015 April and observed a dynamic, permanently present dust cloud produced by continual meteoroid bombardment. In
Edwin Bernardoni +2 more
doaj +1 more source
Cosmic dust fluxes in the atmospheres of Earth, Mars, and Venus
Icarus (New York, N.Y. 1962), 2019 J. D. Carrillo‐Sánchez +7 more
openalex +2 more sources
Investigation of Dust Grains by Optical Tweezers for Space Applications
The Astrophysical Journal, 2022 Cosmic dust plays a dominant role in the universe, especially in the formation of stars and planetary systems. Furthermore, the surface of cosmic dust grains is the benchwork where molecular hydrogen and simple organic compounds are formed. We manipulate
A. Magazzù +13 more
doaj +1 more source
Earth Surface Processes and Landforms, Volume 48, Issue 1, Page 198-214, January 2023., 2023 The Atlantic coast of NW Spain, where shingle beaches appear today, has suffered an important mobilization of dunes from a sea level about −120 m (bpsl), 20 ky ago. This aeolization caused the collapse of coastal/fluvial ecosystems (as forests) until the Late Holocene.
Carlos Arce Chamorro +3 more
wiley +1 more source
The Astrophysical Journal, 2023 The cosmic dust particles found in space are mainly porous aggregates of smaller grains. Theoretically, these aggregates are replicated using fractal geometry, assuming a cluster of spheres.
Prithish Halder, Sujan Sengupta
doaj +1 more source