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Two arguments have suggested the presence of subsurface water ice at latitudes lower than 30\textdegree~on Mars. First, the absence of CO2 frost on pole-facing slopes was explained by the presence of subsurface ice. Second, models suggested…

Earth and Planetary Astrophysics · Physics 2023-09-18 L. Lange , F. Forget , M. Vincendon , A. Spiga , E. Vos , O. Aharonson , E. Millour , A. Bierjon , R. Vandemeulebrouck

Near-surface perennial water ice on Mars has been previously inferred down to latitudes of about 45{\deg} and could result from either water vapor diffusion through the regolith under current conditions or previous ice ages precipitations.…

Earth and Planetary Astrophysics · Physics 2011-03-03 Mathieu Vincendon , John Mustard , François Forget , Mikhail Kreslavsky , Aymeric Spiga , Scott Murchie , Jean-Pierre Bibring

We review the importance of recent UV observations of solar system targets and discuss the need for further measurements, instrumentation and laboratory work in the coming decade. In the past decade, numerous important advances have been…

The geologically active south pole of Enceladus generates a plume of micron-sized particles, which likely form Saturn's tenuous E-ring extending from the orbit of Mimas to Titan. Interactions between these particles and satellites have been…

Earth and Planetary Astrophysics · Physics 2022-05-24 Naoyuki Hirata , Hideaki Miyamoto , Adam P. Showman

Mars' tadpole craters are small, young craters whose crater rims are incised by one or more exit breaches but lack visible inlets. The tadpole forming climate records the poorly understood drying of Mars since the Early Hesperian. A third…

Earth and Planetary Astrophysics · Physics 2024-07-17 Alexandra O. Warren , Sharon A. Wilson , Alan Howard , Axel Noblet , Edwin S. Kite

In the Jovian atmosphere, the trace species are detected for the first time after the collision of comet Shoemaker-Levy 9 near 44$^\circ$S in July 1994. Most of these trace species are detected with spectroscopic millimeter/submillimeter…

Earth and Planetary Astrophysics · Physics 2021-04-09 Arijit Manna , Sabyasachi Pal

The so-called thermodynamic anomalies of water form an integral part of the peculiar behaviour of this both important and ubiquitous molecule. In this paper our aim is to establish whether the recently proposed TIP4P/2005 model is capable…

The outer atmosphere of the M supergiant Betelgeuse is puzzling. Published observations of different kinds have shed light on different aspects of the atmosphere, but no unified picture has emerged. They have shown, for example, evidence of…

Astrophysics · Physics 2016-08-30 N. Ryde , G. M. Harper , M. J. Richter , T. K. Greathouse , J. H. Lacy

We present results from mid-infrared imaging of Uranus at wavelengths of 13.0 micron and 18.7 micron, sensing emission from the stratosphere and upper troposphere, acquired using the VISIR instrument at the Very Large Telescope (VLT),…

Earth and Planetary Astrophysics · Physics 2020-01-15 Michael T. Roman , Leigh N. Fletcher , Glenn S. Orton , Naomi Rowe-Gurney , Patrick G. J. Irwin

The anomalous behavior of a two-dimensional system of Hertzian spheres with exponent $\alpha = 7/2 $ has been studied using the method of molecular dynamics. The phase diagram of this system is the melting line of a triangular crystal with…

Soft Condensed Matter · Physics 2021-11-29 Eu. A. Gaiduk , Yu. D. Fomin , E. N. Tsiok , V. N. Ryzhov

An admittedly pedantic but hopefully useful and informative analysis is presented of the EUVE 70--180 Angstrom spectra of nine polars. These spectra are fit with three different models---a blackbody, a pure-H stellar atmosphere, and a solar…

Astrophysics · Physics 2007-05-23 Christopher W. Mauche

At least two active plumes were observed on Neptune's moon Triton during the Voyager 2 flyby in 1989. Models for Triton's plumes have previously been grouped into five hypotheses, two of which are primarily atmospheric phenomena and are…

The hybrid kinetic model supports comprehensive simulation of the interaction between different spatial and energetic elements of the Europa moon-magnetosphere system with respect a to variable upstream magnetic field and flux or density…

Earth and Planetary Astrophysics · Physics 2015-06-12 A. S. Lipatov , J. F. Cooper , W. R. Paterson , E. C. Sittler , R. E. Hartle , D. G. Simpson

A nearly half-cubic hectometer of deep Mediterranean-Sea waters is yearlong sampled with about 3000 high-resolution temperature sensors to study different sources of turbulent waterflows, which are vital for life. Although temperature…

Atmospheric and Oceanic Physics · Physics 2026-01-08 Hans van Haren

In Phys. Rev. Lett. 102, 197002 (2009) it was reported that the element Eu becomes superconducting in the pressure and temperature range [84-142GPa], [1.8-2.75K]. The claim was largely based on ac susceptibility measurements. Recently…

Superconductivity · Physics 2021-12-10 J. E. Hirsch

Despite the low solar irradiation it receives, Neptune shows a very active atmosphere with some of the most intense dynamics observed in Solar System atmospheres. Characterizing the atmospheric temperature profiles of the planet is a key to…

Existence of strongly bound water molecules on silicate surfaces, above the desorption temperature of water ice, has been first predicted by computational studies and recently demonstrated by laboratory experiments. Such trapped water may…

Astrophysics of Galaxies · Physics 2024-02-22 Alexey Potapov , Cornelia Jäger , Harald Mutschke , Thomas Henning

This thesis strives to improve our understanding of solar activity, specifically the behaviour of solar flares and coronal mass ejections. An investigation into the hydrodynamic evolution of a confined solar flare was carried out using…

Solar and Stellar Astrophysics · Physics 2012-10-19 Claire L. Raftery

The intriguing circumpolar cyclone pattern at Jupiter's poles raises fundamental questions about how these systems are organized vertically and, further, how the planet's internal heat shapes and sustains them in the absence of solar…

Enceladus is the Saturnian satellite known to have water vapor erupting from its south pole region called Tiger Stripes. Data collected by Cassini Ultraviolet Imaging Spectrograph during Enceladus transiting Saturn allow us to estimate…

Earth and Planetary Astrophysics · Physics 2024-03-26 Jan Kotlarz , Katarzyna Kubiak , Natalia Zalewska
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