Results 21 to 30 of about 1,490 (202)

Rock art and archaeoastronomy in Morocco: preliminary observations [PDF]

open access: yesArchaeoastronomy and Ancient Technologies, 2018
The purpose of this paper is to make public the exceptional discovery in the province of Essaouira (Morocco) of three petroglyphs engraved with an original subject in Moroccan rock art.
Ibhi,A.   +4 more
doaj   +1 more source

A Geologic Si‐O‐C Pathway to Incorporate Carbon in Silicates

open access: yesGeophysical Monograph Series, Page 47-54., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Alexandra Navrotsky   +2 more
wiley  

+1 more source

Interception of a bolide ? [PDF]

open access: yes, 2023
We present a review of the literature on the subject of a possible collision between the Earthand a meteorite or comet. We emphasize the global effects when sufficient energy is involved.We propose several types of human actions adapted to the physico ...
Dubois, François
core  

El artista plástico Hélio Oiticica: escritor y fotógrafo

open access: yesOutra Travessia, 2016
El artículo indaga en la dimensión literaria y fotográfica del artistavisual Hélio Oititica. Para ello se concentra en la serie de Bólides que Oiticicadedicó a los bandidos Cara de Cavalo y Alcir Figueira, el B33 Bólide-caixa 18“Homenagem a Cara de ...
Mario Cámara
doaj   +1 more source

Recent Advances in Bolide Entry Modeling: A Bolide Potpourri [PDF]

open access: yesEarth, Moon, and Planets, 2004
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +1 more source

Bolide Energetics and Infrasound Propagation: Exploring the 18 December 2018 Bering Sea Event to Identify Limitations of Empirical and Numerical Models

open access: yesThe Seismic Record, 2021
Infrasound observations are an important tool in assessing the energetics of bolides and can help quantify the flux of meteoroids through Earth’s atmosphere.
Stephen Arrowsmith   +2 more
doaj   +1 more source

Osmium isotope constraints on the proportion of bolide component in Chicxulub impact melt rocks

open access: yes, 2004
The spatial distribution and amount of material transferred from the bolide involved in the Cretaceous/Tertiary (K/T) event to the target rocks at Chicxulub is still poorly constrained.
GELNIAS, A.   +5 more
core   +2 more sources

Bolides

open access: yes, 2022
The composition of Bolides acts somewhat like a series of snapshots or a diary of my life between March 2020 and December 2021, and for me evokes geographical and temporal cues that are very specific for that particular point in time. The source material includes underwater recordings of kelp forests, captured by homemade hydrophones, the ululations of
openaire   +2 more sources

A Numerical Approach to Study Ablation of Large Bolides: Application to Chelyabinsk

open access: yesAdvances in Astronomy, 2021
In this study, we investigate the ablation properties of bolides capable of producing meteorites. The casual dashcam recordings from many locations of the Chelyabinsk superbolide associated with the atmospheric entry of an 18 m in diameter near-Earth ...
Josep M. Trigo-Rodríguez   +5 more
doaj   +1 more source

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