Results 161 to 170 of about 3,790 (296)

Revisiting the Hummeln structure, Sweden—A shallow marine Cambrian impact structure

Meteoritics &Planetary Science, EarlyView.
Abstract Hummeln is a simple impact structure located in south‐eastern Sweden. It is approximately 1.2 km in diameter and almost completely covered by a lake. Here, we present the first detailed investigation of impactites and mapping of the 164.25 m deep drill core Hummeln‐1 with a focus on impact metamorphism and the impact process.
S. Alwmark, J. Granbom, P. Ahlberg, M. Calner, S. Richoz, K. J. Gajewska, W. R. Hyde, K. Ljung, C. Alwmark   +8 more
wiley   +1 more source

Proximity-Assisted Synthesis of Large Area MoS₂ on Different Target Substrates by Chemical Vapor Deposition Using a Mo Nanofilm Substrate. [PDF]

Nanomaterials (Basel)
Tariq M, Poston W, Aldosari N, Jensen G, Bizhani M, Stinaff E.   +5 more
europepmc   +1 more source

Observatories of Chile (Free Astronomy Public Lectures)

, 2015
The skies of northern Chile are considered the best in the world for astronomy at visible through millimetre wavelengths. Most of the observatories are in the Norte Chico and Atacama regions. Cerro Paranal Observatory is the largest in the world.
Jeremy Mould
core  

Impact‐diagnostic criteria for use in confirming a meteorite impact origin of terrestrial geological structures: Recommendations by the Impact Cratering Committee of the Meteoritical Society

Meteoritics &Planetary Science, EarlyView.
Abstract The framework of the Impact Cratering Committee (ICC) of the Meteoritical Society was approved in 2020, with the first committee members appointed in 2023. The ICC has a mandate to (1) approve, maintain, and update a database of confirmed terrestrial meteorite impact structures, (2) define and regularly update the criteria used for ...
A. J. Cavosie, S. Alwmark, D. Baratoux, G. Consolmagno, L. Ferrière, S. Goderis, N. Hauser, T. Kenkmann, C. Koeberl, G. R. Osinski, A. E. Pickersgill, M. Schönbächler   +11 more
wiley   +1 more source

Lasing-like dynamics with virtual gain driven by complex-frequency excitations. [PDF]

Nat Commun
Xue B, Zhang R, Zhu Y, Sun Y, Chen X, Alù A, Wan W.   +6 more
europepmc   +1 more source

On the International Radio Astronomy Observatory on Plateau Suffa

, 1996
We present the update information on the International Radio Astronomy Observatory Suffa project and describe the original design of new 70-m radiotelescope RT-70 for millimeter astronomy as well.
A. S. Hojaev, G. I. Shanin
core  

Thermal histories of El Médano 300 (EM 300) and Northwest Africa 8155 (NWA 8155): Implications for the diversity of IAB‐ungrouped iron meteorites and their parent bodies

Meteoritics &Planetary Science, EarlyView.
Abstract This study provides the first petrographic, crystallographic, and chemical comparison between El Médano 300 (EM 300) and Northwest Africa 8155 (NWA 8155), two particular IAB‐ungrouped iron meteorites. Both contain exceptionally large graphite nodules and “flowers”, providing unique insights into carbon behavior in metallic melts and cooling ...
L. Perez, M. Roskosz, F. Danoix, L. Kern, V. Megevand, C. Brillatz, B. Devouard, J. Gattacceca, M. Gounelle   +8 more
wiley   +1 more source

The fragmentation properties of massive star-forming regions in 30Dor-10 at 2000 au resolution. [PDF]

Nat Commun
Traficante A, Jiménez-Donaire MJ, Indebetouw R, Wong T, Nucara A, Klessen RS, Hennebelle P, Lebreuilly U, Mininni C, Molinari S, Sabbi E, Soler JD.   +11 more
europepmc   +1 more source

Reassessing the organic carbon budget in the Murchison meteorite through an extraction–recovery mass‐balance approach

Meteoritics &Planetary Science, EarlyView.
Abstract A substantial fraction of organic carbon in carbonaceous chondrites has long been described as “missing,” reflecting incomplete recovery and limited resolution of operationally defined organic components. Here, we present a quantitative reassessment of the carbon budget in the Murchison meteorite using an integrated extraction–recovery mass ...
Hina Dohi, Minako Hashiguchi, Koichi Mimura   +2 more
wiley   +1 more source

Side-polished fiber evanescent wave quartz-enhanced photoacoustic spectroscopy employing dielectric coatings for evanescent field enhancement. [PDF]

Photoacoustics
Twomey CF, Biagi G, Ruth AA, Ali F, Di Falco A, O'Faolain L, Walsh AJ.   +6 more
europepmc   +1 more source