Results 1 to 10 of about 19 (19)
Archives of impact: The politics of craters on Earth
Geographical Research, Volume 64, Issue 2, May 2026.This paper examines Earth’s 195 confirmed impact craters as archives, exploring their cataloguing and presentation as heritage sites. It argues Western scientific framings using military language and emphasising catastrophe overlook settler colonialism’s violent histories and marginalise indigenous earth‐sky cosmologies.
Gareth Hoskins
wiley +1 more source
Journal of Geophysical Research: Planets, Volume 131, Issue 3, March 2026.Abstract From 1974 to 1975, the Mariner 10 spacecraft studied Mercury's environment during three flybys and detected hydrogen, helium, and possibly atomic oxygen in the exosphere using its ultraviolet spectrometer, but no molecular hydrogen. Based on the sensitivity of the occultation instrument, an upper limit for the H2 ${\mathrm{H}}_{2}$ surface ...
F. Weichbold +8 more
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Evidence of an Extended Alfvén Wing System at Enceladus: Cassini's Multi‐Instrument Observations
Journal of Geophysical Research: Space Physics, Volume 131, Issue 2, February 2026.Abstract We report in situ evidence for Enceladus' Alfvén wing system and its coupling with Saturn's ionosphere, based on multi‐instrument observations from the Cassini spacecraft. Analysis of 36 events, including 13 from non‐flyby paths, confirms the existence of a Main Alfvén Wing (MAW) current system generated at Enceladus, and associated Reflected ...
L. Z. Hadid +28 more
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Constructed Response Paragraph Jigsaw Puzzle Test for Measuring Structure Building Ability
Applied Cognitive Psychology, Volume 40, Issue 1, January/February 2026.ABSTRACT This study examined whether paragraph jigsaw puzzle (PJP) test can be used to measure structure building ability, the ability to construct cohesive mental representations. We developed a constructed‐response version of the PJP test and scored it with a string‐similarity algorithm that allows for partial credit.
Hwimin Kim +3 more
wiley +1 more source
A Thermal Origin to the Asymmetry of the Permanent Dust Cloud at the Moon
Journal of Geophysical Research: Planets, Volume 130, Issue 10, October 2025.Abstract The Moon's surface, lacking an atmosphere, is continually bombarded by high‐speed micro‐meteoroids, creating a highly porous regolith composed of very fine grains. This regolith's porosity decreases with depth due to compression. Besides creating vapor and melt, micro‐meteoroid impacts eject lunar dust, redistributing regolith grains, which ...
Sébastien Verkercke +9 more
wiley +1 more source
ChemPhysChem, Volume 26, Issue 18, September 19, 2025.In bulk carbonic acid (e.g., in interstellar icy dust grains) cluster formation produces two distinct UV‐Vis spectral features redshifted by ≈2 eV (25 nm) and by ≈5 eV (80 nm) compared to gas phase single molecule carbonic acid 's adiabatic ionization energy. Theory and experiment were used to investigate the origin of these shifts.
Dennis F. Dinu +7 more
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The Chemical Record, Volume 25, Issue 7, July 2025.The radical Pietist Johann Conrad Dippel was a self‐proclaimed adept – a maker of gold and the philosophers’ stone. He was also a magister of theology, a doctor of medicine, and a self‐taught chemist, who coinvented the pigment Prussian Blue together with Johann von Diesbach, became known for his animal pyrolysis oil, his wonder‐wound balm, his ...
Curt Wentrup
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Journal of Geophysical Research: Space Physics, Volume 130, Issue 5, May 2025.Abstract We analyze five large‐scale tail disturbances in comet C/2022 E3 (ZTF)'s ion tail using images from astrophotographers, tracking specific features within the tail to determine their speeds. We employ a heliosphere model to estimate when the comet crossed the heliospheric current sheet (HCS).
A. Wellbrock, G. H. Jones
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Helium in Mercury's Extended Exosphere Determined by Pick‐Up Generated Ion Cyclotron Waves
Journal of Geophysical Research: Planets, Volume 130, Issue 4, April 2025.Abstract Helium (He) was first detected by remote spectroscopic observations of the Ultraviolet Visible Spectrometers (UVVS) instrument in Mercury's exosphere during the three Mariner 10 flybys in 1974 and 1975. Here, we derive the first in situ radial density profile of He in Mercury's extended exosphere by analyzing magnetic field and plasma ...
F. Weichbold +8 more
wiley +1 more source
Ion‐Scale Characteristics of the Martian Magnetic Pile‐Up Boundary Layer
Geophysical Research Letters, Volume 52, Issue 3, 16 February 2025.Abstract The Martian magnetic pile‐up boundary (MPB) delineates the interface between the magnetosheath and the induced magnetosphere, but its global ion‐scale characteristics remaining unclear. Utilizing a three‐dimensional Hall magnetohydrodynamic (MHD) model, this study aims to reveal the features of the MPB layer, including magnetic field, current ...
Shibang Li +12 more
wiley +1 more source