Results 131 to 140 of about 31,655 (250)

The Physical Nature of Regolith on Icy Moons

Estimating surface properties such as porosity and grain sizes is key for planning lander missions and landing site selection on icy moons. However, spaceborne instruments do not measure the regolith properties directly: instead, they record proxy measurements such as thermal flux, which are then interpreted through modeling to estimate thermal inertia,
Mergny, Cyril, Cornet, Thomas, Gall, Alice Le, Cruz-Mermy, Guillaume, Lange, Lucas, Rückriemen-Bez, Tina, Gundlach, Bastian, Heitmann, Paula, Goldmann, Moritz, Hayne, Paul O., Oza, Apurva   +10 more
openaire   +2 more sources

Hydrous degradation of primordial organics: Implications for the early evolution of icy satellites and dwarf planets

International audienceOrganic matter (OM) is an important component of icy bodies.• We conduct laboratory experiments to investigate the degradation of OM by water during the accretion and differentiation of icy moons and dwarf planets.• These ...
Bollengier, Olivier, Sotin, Christophe, Hertzog, Jasmine, Marrocchi, Yves, Afonso, Carlos, Schmitz, Isabelle, Champallier, Rémi, Lévêque, Pauline, Queffelec, Clémence, Bujoli, Bruno, Le Menn, Erwan, Slodczyk, Aneta   +11 more
core   +1 more source

Intraspecific Variation in Reproductive Aspects of Female Soldier Crabs, Mictyris guinotae, Between the River Mouth and Upper Reach Habitats

Marine Ecology, EarlyView.
ABSTRACT The soldier crab, Mictyris guinotae, is a dominant intertidal crustacean associated with sand flats in the vicinity of the Urauchi River estuary on Iriomote Island, Japan. We compared various aspects of its reproductive biology at two sites (the river mouth and upper reach) on exposed bare sand flats 300 m and 3000 m upstream from the mouth ...
Masaki Jinno, Wataru Doi, Akira Mizutani, Hiroyoshi Kohno   +3 more
wiley   +1 more source

Oxidative Stress–Driven Alterations in FoxO‐1 and MMP‐9 Activity in Smoking‐Associated Periodontitis

Oral Diseases, EarlyView.
ABSTRACT Objectives Smoking disrupts oxidative balance and is a major risk factor for periodontitis. Forkhead box protein O‐1 (FoxO‐1) regulates antioxidant defense, yet its contribution to smoking‐associated periodontal breakdown is unclear. This cross‐sectional case–control study assessed reactive oxygen species (ROS), matrix metalloproteinase‐9 (MMP‐
Fatma Oner, Fatma Soysal, Ceren Gokmenoglu, Muhittin A. Serdar, Zeliha Guney   +4 more
wiley   +1 more source

JUICE: A European Mission to Jupiter and its Icy Moons

, 2016
International audienceJUICE - JUpiter ICy moons Explorer - is the first large mission in the ESA Cosmic Vision programme [1]. The implementation phase started in July 2015.
Kasaba, Yasumasa, Tosi, Federico, Cecconi, Baptiste, Cimò, Giuseppe, Rothkaehl, Hanna, Retherford, Kurt D., Witasse, Olivier, Hussmann, Hauke, Grasset, Olivier, Boutonnet, Arnaud, Vallat, Claire, Stevenson, David J., Cremonese, Gabriele, Krupp, Norbert, Roatsch, Th., Barabash, Stas, Iess, Luciano, Jaumann, Ralf, Bruzzone, L., Hoffmann, Holger, Mueller-Wodarg, Ingo, Plaut, Jeffrey, Poulet, François, Gurvits, Leonid I., van Hoolst, Tim, Accomazzo, A., Hartogh, Paul, Gladstone, G. Randall, Wurz, Peter, Langevin, Yves, Brandt, P. N., Piccioni, Giuseppe, Wahlund, Jan-Erik, Cavalié, Thibault, Coustenis, Athéna, Erd, Christian, Kaspi, Yohai, Altobelli, Nicolas, Bunce, E., Palumbo, Pasquale, Dougherty, Michele K., Fletcher, Leigh N.   +41 more
core   +2 more sources

A new Anthropocene aesthetics: Mediating Harman, Morton, and Boysen

Orbis Litterarum, EarlyView.
Abstract Practitioners of Object‐Oriented Ontology (OOO) have critiqued the metaphysical assumptions of contemporary poetry, and particularly the position of the lyric speaker. Scholars such as Graham Harman and Timothy Morton have positioned themselves as critics of these lyric sensibilities. In recent years, concerns have risen around their critiques
Chase Cate
wiley   +1 more source

Radar Observations of Europa in 2011–2024: New Insights into Radar Scattering Properties

The Planetary Science Journal
Three of Jupiter’s Galilean satellites—Europa, Ganymede, and Callisto—are of particular scientific interest due to their icy shells and suspected subsurface oceans.
Tunhui Xie, Jean-Luc Margot, Sebastiano Padovan, Frank Ghigo, Will Armentrout, Joseph S. Jao, Jon D. Giorgini, T. Joseph W. Lazio   +7 more
doaj   +1 more source

Thermophysical properties of the Europa surface constrained by Galileo photopolarimeter-radiometer temperature measurements

Astronomy & Astrophysics
Context. Thermal measurements provide key constraints on the physical properties of icy satellite surfaces. On Europa, previous analyses of the Galileo Photopolarimeter-Radiometer (PPR) dataset revealed heterogeneities in thermal inertia, but the limited
Lange L., Piqueux S., Hayne P. O., Mergny C., Le Gall A., Schmidt F., Rathbun J., Spencer J., Nordheim T., Sorli K., Howes S., Howett C., Edwards C. S., Christensen P. R.   +13 more
doaj   +1 more source

Intersex Across the Interstellar: The Andromeda Constellation in Medieval and Early Modern Astronomical and Astrological Treatises

Renaissance Studies, EarlyView.
ABSTRACT This article examines the iconography of the Andromeda constellation as an intersex figure within medieval and early modern astrological traditions. It focuses on the origins of this imagery in the thirteenth‐century astrological writings of Scot and its reappearance nearly three centuries later in Ratdolt's illustrated 1482 edition of Hyginus'
Bar Leshem
wiley   +1 more source

The Complex Molecules Detector (CMOLD): A Fluidic-Based Instrument Suite to Search for (Bio)chemical Complexity on Mars and Icy Moons. [PDF]

Astrobiology, 2020
Fairén AG, Gómez-Elvira J, Briones C, Prieto-Ballesteros O, Rodríguez-Manfredi JA, López Heredero R, Belenguer T, Moral AG, Moreno-Paz M, Parro V.   +9 more
europepmc   +1 more source