Results 1 to 10 of about 8,390 (230)
Predicting Nitrogen Isotope Fractionation in Nitrate Deposition on Early Mars
Abstract Noachian and early Hesperian Mars were likely warm and wet, with an atmosphere abundant in molecular nitrogen. The recent discovery of nitrate deposits in the Yellowknife Bay mudstones at Gale Crater confirm the existence of nitrogen oxides (NOX) on Noachian Mars. The processes responsible for the production of these nitrates would fractionate
J. Shawcross +4 more
wiley +1 more source
Roar Ege: The Lifecycle of a Reconstructed Viking Ship
In 1962, the remains of five late Viking Age ships were excavated from Roskilde Fjord, near Skuldelev on the Danish island of Zealand (See Figure 1: Crumlin-Pedersen and Olsen, 2002).
Tríona Sørensen, Martin Rodevad Dael
doaj
«Det er ikke gull alt som glimrer» – bredøkser med messingbeslått skaft fra sen vikingtid
«All that glitters is not gold» - broadaxes with brass banded hafts from the late Viking age Traditionally, the sword was regarded as a weapon of personal prestige and a symbol of the privileged landowning elite.
Vegard Vike
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Terrestrial Analogs to Titan for Geophysical Research
Abstract Saturn's moon Titan exhibits remarkable parallels to the Earth in many geophysical and geological processes not found elsewhere in the solar system at the present day. These include a nitrogen atmosphere with a condensible gas—methane—replacing the Earth's water, leading to an active meteorology with rainfall and surface manifestations ...
Conor A. Nixon +21 more
wiley +1 more source
POMMERN UND DAS ENDE DER WIKINGERZEIT. BRUCH ODER KONTINUITÄT?
The article focuses on the question, to what extent the end of the Viking age in the second half of the eleventh century influenced western Pomerania. Based on archaeological and numismatic evidence as well as on written sources the development of the ...
Dariusz Adamczyk
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Progression of Pre-Viking Age and Viking Age Maritime Technology
This paper examines the introduction of sail power to the ships of Scandinavia during an approximate 350 year period from just before the beginning of, and to the end of, the Viking Era. The Viking Era being bookmarked between the Raid on Lindisfarne in 793 AD, to the Battle of Stamford Bridge in 1066 AD. This thesis reviews the advancements in sailing
openaire +1 more source
Historical, archaeological and linguistic evidence test the phylogenetic inference of Viking-Age plant use. [PDF]
Teixidor-Toneu I +6 more
europepmc +1 more source
Abstract Seasonal CO2 and H2O ice blanket the Martian polar caps, and their spectral contributions mix during seasonal evolution. Particularly in late northern winter, the spectral signature of H2O ice obscures that of CO2 ice. Using the MARVIN chamber at York University, we produced controlled analogs of layered polar ice under Mars‐like pressure (∼6 ...
Jamie A. Isen +3 more
wiley +1 more source
Amazons are usually associated with the period of the early Iron Age. However, a large number of graves of armed women of the early Middle Ages are known in the territory of Eurasia. In the Scandinavian countries, the period of the 9th — the first half of the 11th centuries was called the «Viking Age». This period is related to the military, commercial
openaire +2 more sources
Abstract The Laurasian Seaway comprises a N‐S oriented trans‐Pangaean corridor linking Tethys to the Boreal Sea during the Jurassic, and direction of water flow has been the subject of considerable debate. The Llanbedr (Mochras Farm) borehole, Cardigan Bay Basin, Wales, is a uniquely informative record that comprises an expanded deep‐marine silty ...
M. Jiang +7 more
wiley +1 more source

