Results 71 to 80 of about 995,650 (205)

Evidence for A Parsec-scale Jet from The Galactic Center Black Hole: Interaction with Local Gas

open access: yes, 2013
Despite strong physical reasons that they should exist and decades of search, jets from the Galactic Center Black Hole, Sgr A*, have not yet been convincingly detected. Based on high-resolution Very Large Array images and ultra-deep imaging-spectroscopic
Baganoff, Frederick K.   +2 more
core   +2 more sources

Evolution of Photospheric Vector Magnetic Field Associated with Moving Flare Ribbons As Seen By GST

open access: yes, 2018
The photospheric response to solar flares, also known as coronal back reaction, is often observed as sudden flare-induced changes in vector magnetic field and sunspot motions.
Ahn, Kwangsu   +9 more
core   +1 more source

Czech Soldiers during the Great War (1914–1918) [PDF]

open access: yesТокови историје, 2016
The goal of this article is to objectively assess the conduct of Czech soldiers during the First World War. In the past, this issue was, for various ideological reasons, greatly oversimpliϐied.
Ladislav HLADKÝ
doaj  

« Voces como bayonetas ». Un análisis de los textos españoles de La Joven Europa. Hojas de los combatientes de la juventud estudiantil europea como espacio para la codificación de la experiencia de combate, la identidad y la conciencia fascistas (1942-1943)

open access: yesEl Argonauta Español
Intellectual activity acted as a natural and necessary extension of war experience in the case of fascist combatants, for this reason we want to analyse why thousands of Spaniards enlisted themselves as volunteers for going to the Eastern Front, and we ...
David Alegre Lorenz
doaj   +1 more source

The implications of K-Ar glauconite dating of the Diest Formation on the paleogeography of the Upper Miocene in Belgium [PDF]

open access: yes, 2014
The glauconite-rich Diest Formation in central and north Belgium contains sands in the Campine subsurface and the hilly Hageland area that can be distinguished from each other.
Adriaens, Rieko   +13 more
core  

“The Colored Soldiers”—The Poem You Never Knew Existed

open access: yes, 2015
I’m a poetry guy. When I expect to have some free time, I tend to carry a small book of poems somewhere on my person. I also have eclectic tastes, so the subject and the substance of my little pocket anthologies changes.
LaRoche, Matthew D.
core  

Plate‐Scale Imaging of Eastern US Reveals Ancient and Ongoing Continental Deformation

open access: yesGeophysical Research Letters
Eastern North America was constructed over several Wilson cycles, culminating in the breakup of Pangea. Previous seismological imaging lacked the resolution to depict precisely how ancient tectonic boundaries manifest throughout the lithosphere, how ...
Brennan Brunsvik   +2 more
doaj   +1 more source

Climatic Type Characteristics of the Winter Yunnan-Guizhou Quasi-Stationary Front

open access: yesGaoyuan qixiang
Based on the topographic characteristics of the Yunnan-Guizhou Plateau, the objective standard index of the intensity of the Yunnan-Guizhou quasi-stationary front in winter is defined by using the FNL atmospheric reanalysis data of 24 years (2000-2023 ...
REN Manlin   +5 more
doaj   +1 more source

Subsidization of the shipbuilding industry in the Federal Republic of Germany [PDF]

open access: yes
German shipyards were hit extremely hard during World War II, and then again in the following years when the parts that had not been damaged were disassembled by the Allies.
Lammers, Konrad
core  

Speculations on nature and extent of Archean basement in Labrador as indicated by SR, ND and PB isotopic systematics of proterozoic intrusives [PDF]

open access: yes
The Sm-Nd and Rb-Sr isotopic compositions of mid to late Proterozoic (approximately 1.6 to 1.1 Ga) massif-type anorthosites and mafic intrusives in the eastern Canadian shield are correlated with geographic location.
Ashwal, L. D.   +2 more
core   +1 more source

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