Results 71 to 80 of about 158,490 (251)

Laboratory Astrophysics Data Working Group IAU 2022 GA session [PDF]

open access: bronze, 2022
Marie-Lise Dubernet   +7 more
openalex   +1 more source

Survey on AI‐Enabled Computer Vision Technologies and Applications for Space Robotic Missions

open access: yesJournal of Field Robotics, EarlyView.
ABSTRACT This survey provides a comprehensive overview of recent advancements and challenges in Artificial Intelligence (AI)‐enabled computer vision (CV) techniques for space robotic missions, spanning critical phases such as Entry, Descent, and Landing (EDL), orbital operations, and planetary surface exploration.
Maciej Quoos   +6 more
wiley   +1 more source

Identity Play: Middle School Youths' Provisional Self‐Making in Horizon‐Expanding STEM Spaces

open access: yesScience Education, EarlyView.
ABSTRACT This study introduces identity play as an analytic construct for science education to explore improvisational dimensions of middle school students' STEM identity development in multiple out‐of‐school learning experiences focused on environmental problem‐solving.
Heidi B. Carlone, Alison K. Mercier
wiley   +1 more source

Photochemical Hazes Can Trace the C/O Ratio in Exoplanet Atmospheres

open access: yesThe Astrophysical Journal Letters, 2023
Photochemical hazes are suspected to obscure molecular features, such as water, from detection in the transmission spectra of exoplanets with atmospheric temperatures
Lía Corrales   +3 more
doaj   +1 more source

Anomalous‐Energy Runaway Electrons Originating in Fast Ionisation Wave During Pulsed Gas Breakdown

open access: yesHigh Voltage, EarlyView.
ABSTRACT Anomalous‐energy runaway electrons (RAEs), whose energy exceeds the maximum potential difference across the discharge gap, are widely observed in various plasma phenomena. This study investigates the origination of anomalous‐energy RAEs in fast ionisation waves (FIWs) formed during pulsed gas breakdown.
Bangdou Huang   +4 more
wiley   +1 more source

Progress of Jinping Underground laboratory for Nuclear Astrophysics (JUNA)

open access: yesEPJ Web of Conferences, 2016
Jinping Underground lab for Nuclear Astrophysics (JUNA) will take the advantage of the ultralow background in Jinping underground lab, high current accelerator based on an ECR source and highly sensitive detector to study directly a number of crucial ...
Liu WeiPing   +63 more
doaj   +1 more source

New knowledge about shock events that affected the L‐chondrite parent body from two heavily shocked L6 meteorite finds

open access: yesMeteoritics &Planetary Science, EarlyView.
Abstract We report new results from a study of shock‐related features in the L6 ordinary chondrites Northwest Africa (NWA) 4672 and NWA 12841. Our observations confirm the occurrence of eight high‐pressure (HP) minerals in each meteorite, namely, ringwoodite, majorite, akimotoite, wadsleyite, albitic jadeite, lingunite, tuite, and xieite.
I. Baziotis   +5 more
wiley   +1 more source

Laboratory Astrophysics in Korea

open access: yes, 2022
Laboratory astrophysics is still in its early stages in Korea. Yet, facilities with the potential for laboratory astrophysics have been constructed or are under construction. I will introduce three of them, high-intensity lasers at CoReLS (Center for Relativistic Laser Science), XFEL (X-ray Free Electron Laser) at PAL (Pohang Accelerator Laboratory ...
openaire   +1 more source

Giga-Gauss scale quasistatic magnetic field generation in an 'escargot' target

open access: yes, 2014
A simple setup for the generation of ultra-intense quasistatic magnetic fields, based on the generation of electron currents with a predefined geometry in a curved 'escargot' target, is proposed and analysed.
d'Humieres, E.   +2 more
core   +1 more source

Noble gases and nitrogen in material from asteroid Bennu

open access: yesMeteoritics &Planetary Science, EarlyView.
Abstract We report the elemental and isotopic abundances of all stable noble gases (helium, neon, argon, krypton, and xenon) in eight particles from asteroid Bennu returned by NASA's OSIRIS‐REx mission. We also report nitrogen abundances and isotopic ratios that were analyzed alongside neon and argon in four additional Bennu particles.
B. Marty   +7 more
wiley   +1 more source

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