Results 11 to 20 of about 1,575 (187)

Large Igneous Province Record Through Time and Implications for Secular Environmental Changes and Geological Time‐Scale Boundaries

open access: yesGeophysical Monograph Series, Page 1-26., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Richard E. Ernst   +8 more
wiley  

+4 more sources

Near Earth Object 2012XJ112 as a source of bright bolides of achondritic nature [PDF]

open access: yes, 2014
We analyze the likely link between the recently discovered Near Earth Object 2012XJ112 and a bright fireball observed over the south of Spain on December 27, 2012.
Cabrera-Caño, Jesus   +8 more
core   +5 more sources

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

GLOBAL STATISTICS OF BOLIDES IN THE TERRESTRIAL ATMOSPHERE

open access: yesRadio Physics and Radio Astronomy, 2017
Purpose: Evaluation and analysis of distribution of the number of meteoroid (mini asteroid) falls as a function of glow energy, velocity, the region of maximum glow altitude, and geographic coordinates.
L. F. Chernogor, M. B. Shevelyov
doaj   +1 more source

Infrasound and Low-Audible Acoustic Detections from a Long-Term Microphone Array Deployment in Oklahoma

open access: yesRemote Sensing, 2023
A three-microphone acoustic array (OSU1), with microphones that have a flat response from 0.1 to 200 Hz, was deployed for 6 years (2016–2022) at Oklahoma State University (OSU) in Stillwater, Oklahoma, and sampled at 1000 Hz.
Trevor C. Wilson   +2 more
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

A Candidate Location for Planet Nine from an Interstellar Meteoroid: The Messenger Hypothesis

open access: yesThe Astrophysical Journal, 2023
The existence of a hypothetical Planet Nine lurking in the outer solar system has been invoked as a plausible explanation for the anomalous clustering in the orbits of trans-Neptunian objects.
Hector Socas-Navarro
doaj   +1 more source

Stimmung, Arte Ambiental e corpo político em Hélio Oiticica

open access: yesPoiésis, 2018
Este breve ensaio tensiona o conceito de Stimmung (atmosfera) de Hans Ulrich Gumbrecht e as leituras de ambiência na Arte Ambiental de Hélio Oiticica.
Luiza B. Amaral
doaj   +1 more source

A poesia como subtexto

open access: yesRemate de Males, 2019
O ensaio aborda o papel da poesia para a obra do artista Hélio Oiticica a partir de meados dos anos 1960. Em 1964, o artista escreveu um breve texto chamado “poética secreta”, acompanhado de uma série de poemas. O ensaio enfoca o impacto que essa escrita
Pauline Medea Bachmann
doaj   +1 more source

Consequences of asteroid fragmentation during impact hazard mitigation [PDF]

open access: yes, 2009
The consequences of the fragmentation of an Earth-threatening asteroid due to an attempted deflection are examined in this paper. The minimum required energy for a successful impulsive deflection of a threatening object is computed and compared to the ...
Davis D. R.   +8 more
core   +1 more source

Home - About - Disclaimer - Privacy