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The observation of high-energy extraterrestrial neutrinos is one of the most promising future options to increase our knowledge on non-thermal processes in the universe. Neutrinos are e.g. unavoidably produced in environments where…

Astrophysics · Physics 2009-11-11 Ulrich F. Katz

The abundance of highly siderophile elements (HSEs) inferred for Mars' mantle from martian meteorites implies a Late Veneer (LV) mass addition of ~0.8 wt% with broadly chondritic composition. Late accretion to Mars by a differentiated…

Earth and Planetary Astrophysics · Physics 2019-06-24 Jason Man Yin Woo , Hidenori Genda , Ramon Brasser , Stephen J. Mojzsis

Mars is the next milestone in human exploration. However, there are still several challenges that must be assessed to ensure appropriate conditions in a future settlement. Communications services will be essential for this task, providing…

Earth and Planetary Astrophysics · Physics 2025-05-01 Zachary C. Rowland , Eva Fernandez Rodriguez

Future direct-imaging exoplanet missions such as WFIRST/AFTA, Exo-C, and Exo-S will measure the reflectivity of exoplanets at visible wavelengths. The exoplanets to be observed will be located further away from their parent stars than is…

Earth and Planetary Astrophysics · Physics 2014-12-25 Renyu Hu

Markarian (Mrk) 180 is a BL Lacertae (BL Lac) object located at a redshift of 0.045 and a potential candidate for high-energy cosmic ray acceleration. We have analyzed the Fermi Large Area Telescope (\textit{Fermi}-LAT) $\gamma$-ray data of…

High Energy Astrophysical Phenomena · Physics 2023-05-18 Sandeep Kumar Mondal , Saikat Das , Nayantara Gupta

The Allen Telescope Array was used to monitor Mars between 9 March and 2 June 2010, over a total of approximately 30 hours, for radio emission indicative of electrostatic discharge. The search was motivated by the report from Ruf et al.…

The composition of an atmosphere has integrated the geological history of the entire planetary body. However, the long-term evolutions of the atmospheres of the terrestrial planets are not well documented. For Earth, there were until…

Earth and Planetary Astrophysics · Physics 2020-03-26 Guillaume Avice , Bernard Marty

NASA mandate is a human mission to Mars in the 2030s and sustained exploration of Mars requires in-situ resource utilization (ISRU). Exploiting the Martian water cycle (alongside perchlorate salts that depress the freezing point of water to…

Chemical Physics · Physics 2024-04-02 M. Shahid , B. Chambers , S. Sankarasubramanian

Proton auroras are widely observed on the dayside of Mars, identified as a significant intensity enhancement in the hydrogen Lyman alpha (121.6 nm) emission between 110 - 150 km altitudes. Solar wind protons penetrating as energetic neutral…

Earth and Planetary Astrophysics · Physics 2024-06-25 Dattaraj B. Dhuri , Dimitra Atri , Ahmed AlHantoobi

Mars northern polar latitudes are known to harbor an enhanced 3 ${\mu}$m spectral signature when observed from orbit. This may indicate a greater amount of surface adsorbed or bound water, although it has not yet been possible to easily…

Earth and Planetary Astrophysics · Physics 2021-09-28 Aurélien Stcherbinine , Mathieu Vincendon , Franck Montmessin , Pierre Beck

Special Regions on Mars are defined as environments able to host liquid water that meets certain temperature and water activity requirements that allow known terrestrial organisms to replicate, and therefore could be habitable. Such regions…

Earth and Planetary Astrophysics · Physics 2020-12-02 Edgard G. Rivera-Valentín , Vincent F. Chevrier , Alejandro Soto , Germán Martínez

Methane is a potent greenhouse gas, and detecting its leaks early via hyperspectral satellite imagery can help mitigate climate change. Meanwhile, many existing missions operate in manual tasking regimes only, thus missing potential events…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Jonáš Herec , Vít Růžička , Rado Pitoňák

Water is fundamental to our understanding of the evolution of planetary systems and the delivery of volatiles to the surfaces of potentially habitable planets. Yet, we currently have essentially no facilities capable of observing this key…

Multi-frequency observations are a powerful tool of astrophysical investigation. Not only is data in each wavelength band providing different clues to the objects nature, but taken simultaneously, these data can reveal the mechanisms at…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Martin Tluczykont

The time variations of spectral properties of dark martian surface features are investigated using the OMEGA near-IR dataset. The analyzed period covers two Mars years, spanning from early 2004 to early 2008 (includes the 2007 global dust…

Methane is a strong greenhouse gas, with a higher radiative forcing per unit mass and shorter atmospheric lifetime than carbon dioxide. The remote sensing of methane in regions of industrial activity is a key step toward the accurate…

Atmospheric and Oceanic Physics · Physics 2022-05-20 Clayton Roberts , Oliver Shorttle , Kaisey Mandel , Matthew Jones , Rutger Ijzermans , Bill Hirst , Philip Jonathan

Titan is the only icy satellite in the solar system with a dense atmosphere. This atmosphere is composed primarily of nitrogen with a few percent methane, which supports an active, methane-based hydrological cycle on Titan. The presence of…

This paper presents a review of the history, motivation and current status of high energy neutrino telescopes. Many years after these detectors were first conceived, the operation of kilometer-cubed scale detectors is finally on the horizon…

Astrophysics · Physics 2010-01-15 K. D. Hoffman

The abundances of major carbon and oxygen bearing gases in the atmospheres of giant exoplanets provide insights into atmospheric chemistry and planet formation processes. Thermochemistry suggests that methane should be the dominant…

The ANTARES project aims at the construction of a neutrino telescope 2500 m below the surface of the Mediterranean sea, close to the southern French coast. The apparatus will consist of a 3D array of photomultiplier tubes, which detects the…

Astrophysics · Physics 2019-08-14 G. F. Burgio
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