Results 61 to 70 of about 56,706 (218)
Chemical Signatures of the First Galaxies: Criteria for One-Shot Enrichment [PDF]
, 2011 We utilize metal-poor stars in the local, ultra-faint dwarf galaxies (UFDs; L_tot < 10^5 L_sun) to empirically constrain the formation process of the first galaxies.
Alvarez +45 more
core +3 more sources
Bulletin of Latin American Research, EarlyView.Godfrey Bingley was a British industrialist who took up geology, photography and travel in the 1880s. His photographs are housed at the University of Leeds, where he worked with its Chair of Geology. This article analyses the archive's projection of the imperial geological imaginary that emanated from Britain and extended to the Americas.
Rebecca Jarman
wiley +1 more source
Tracing the Galactic Origins of Selected Four G-type Stars in the Solar Neighborhood
The Astronomical JournalWe present a multimethod investigation of four metal-poor G-type main-sequence stars to resolve their Galactic origins. By combining high-resolution spectroscopy from PolarBase, photometric/astrometric data from Gaia DR3, and spectral energy distribution
Deniz Cennet Çınar +3 more
doaj +1 more source
Biopiracy and beauty brands? patent trends of cosmetics and skin care companies
The Journal of World Intellectual Property, EarlyView.Abstract Concerns about the fairness and equity of ‘biodiscovery’ research endure despite the creation of legal frameworks designed to regulate access and benefit sharing involving genetic resources and associated traditional knowledge. While some industries that engage in biodiscovery have been the subject of sustained scrutiny, others have received ...
David J. Jefferson, Daniel F. Robinson
wiley +1 more source
A complete inventory of institutional and public meteorite collections in Switzerland
Meteoritics &Planetary Science, EarlyView.Abstract Museums and universities are important for collecting, maintaining, and curating meteorites. To make specimens known and available for research, inventorying and optimal curation are important. However, not all meteorite collections are well curated, especially in smaller institutions.
J. Eschrig +2 more
wiley +1 more source
The Astrophysical JournalThe observed chemical diversity of Milky Way stars places important constraints on Galactic chemical evolution and the mixing processes that operate within the interstellar medium. Recent works have found that the chemical diversity of disk stars is low.
Catherine Manea +5 more
doaj +1 more source
Meteoritics &Planetary Science, EarlyView.Abstract Dissociated zircon is largely used as a robust indicator of glasses generated by impact cratering and airbursts. The reaction of zircon dissociation, i.e. ‘ZrSiO4 → ZrO2 + SiO2’, requires high temperatures (>1670°C) only reached by extreme geological processes. Using high‐temperature experiments, this study shows that zircon can dissociate and
A. Musolino +8 more
wiley +1 more source
The Astronomical JournalWe present a catalog of fundamental stellar properties for ∼7500 evolved stars, including stellar radii and masses, determined from the combination of spectroscopic observations from the Apache Point Observatory Galactic Evolution Experiment, part of the
Jessica Schonhut-Stasik +16 more
doaj +1 more source
Stellar Escape from Globular Clusters. I. Escape Mechanisms and Properties at Ejection
The Astrophysical Journal, 2023 The theory of stellar escape from globular clusters (GCs) dates back nearly a century, especially the gradual evaporation of GCs via two-body relaxation coupled with external tides. More violent ejection can also occur via strong gravitational scattering,
Newlin C. Weatherford +5 more
doaj +1 more source
Very Large Spectroscopic Surveys with the VLT
, 2008 Recently, it has been recognised that very large spectroscopic surveys (several million spectra) are required to advance our understanding of Dark Energy (via baryonic wiggles) and the detailed history of our Local Group of galaxies (via Galactic ...
Parry, Ian R.
core +1 more source