Results 141 to 150 of about 2,637 (244)
Meteoroid damage assessment - Space vehicle design criteria
, 1970 Meteoroid damage determination and spacecraft structure protection and ...
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Sedimentology, EarlyView.ABSTRACT The Paleoarchean Antarctic Creek Member of the Mount Ada Basalt, Eastern Pilbara Terrane, Western Australia, includes beds of jasper and white chert composed of sand‐sized silica granules that often contain or are mixed with silt‐sized particles of haematite.
Donald R. Lowe, Gary R. Byerly
wiley +1 more source
Terra Nova, EarlyView.ABSTRACT Annual tree‐ring oxygen‐isotope values were measured from sections of two fossil logs of Picea mariana (black spruce) recovered from last glacial maximum proglacial sediment in Illinois, USA. Collectively, the specimens date from ca. 25,130 to 24,720 cal years BP.
Dana M. Labotka +2 more
wiley +1 more source
Meteoroid protection for spacecraft structures final report
, 1965 Procedure for determination of meteoroid protection requirements for spacecraft ...
Stern, P. H. +2 more
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The Earth's Greatest Porous Media
Perspectives of Earth and Space Scientists, Volume 7, Issue 1, December 2026.Abstract How deeply does modern meteoric water circulate into the continental crust? How deep is the Earth's Critical Zone (CZ), the top layer of the continental lithosphere that co‐evolves with the atmosphere, hydrosphere, and biosphere, extending from vegetation canopy down to fresh bedrock and the base of active groundwater circulation?
Ying Fan +3 more
wiley +1 more source
Updates to the MSFC Meteoroid Stream Model
, 2007 The Marshall Space Flight Center (MSFC) Meteoroid Stream Model simulates particle ejection and subsequent evolution from comets in order to provide meteor shower forecasts to spacecraft operators for hazard mitigation and planning purposes.
Cooke, W. J., Moser, D. E.
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The Biofuels Blueprint: Understanding the U.S. Renewable Fuel Standard
Applied Economic Perspectives and Policy, Volume 48, Issue 3, Page 565-590, July 2026.ABSTRACT We provide a comprehensive review of the U.S. Renewable Fuel Standard (RFS), synthesizing nearly two decades of program evolution, market outcomes, and economic analysis. The RFS mandates minimum volumes of renewable fuel blending through a nested structure based on life‐cycle greenhouse gas reductions, enforced via tradeable Renewable ...
Maria Gerveni +3 more
wiley +1 more source
CALCULATION OF TRAJECTORY AND ORBIT OF METEOROID
, 2013 Diplomska naloga opisuje potek izračuna atmosferske poti meteorja, orbite meteoroida in kriterija D za meteoroid ter vse znane komete. Naloga vključuje lastna opazovanja in računalniški program, ki sem ga izdelal za hitrejši izračun orbite.
Govedič, Mitja
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Is the Scholarly System Breaking Down?
Learned Publishing, Volume 39, Issue 3, July 2026.ABSTRACT On the back of countless warnings that the scholarly system is seriously being threatened, indeed, upended by fraud, fakery and numerous bad practices, we set out to establish the extent to which this is true by asking the people who are, arguably, in the best position to know—early career researchers (ECRs).
David Nicholas +7 more
wiley +1 more source
Disasters, Volume 50, Issue 3, July 2026.Abstract This study investigates the claim that women are disproportionately more likely to die in disasters by reviewing existing data sources and compiling new datasets on sex‐differentiated disaster fatalities in the twenty‐first century. The analysis is structured by disaster type, covering geophysical, meteorological, climatological, hydrological,
Olivier Rubin
wiley +1 more source