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Definition of habitability depends on the organisms under consideration. One way to determine habitability of some environment is to compare its certain parameters to environments where extremophilic micro-organisms thrive on Earth. We can…

Popular Physics · Physics 2013-11-28 Pauli Erik Laine

Understanding the role that magnetic fields play on the stage of galaxy formation requires accurate methods for inferring the properties of extragalactic magnetic fields. Radio synchrotron emission has been the most promising avenue to…

Astrophysics of Galaxies · Physics 2025-01-13 Tara Dacunha , Sergio Martin-Alvarez , Susan E. Clark , Enrique Lopez-Rodriguez

Spacecraft entering Mars require precise navigation algorithms capable of accurately estimating the vehicle's position and velocity in dynamic and uncertain atmospheric environments. Discrepancies between the true Martian atmospheric…

Machine Learning · Computer Science 2024-05-22 Felipe Giraldo-Grueso , Andrey A. Popov , Renato Zanetti

Galactic cosmic rays undergo complex nuclear interactions with nuclei within planetary bodies that have little to no atmosphere. Radiation transport simulations are a key tool used in understanding the neutron and gamma-ray albedo coming…

Instrumentation and Methods for Astrophysics · Physics 2019-01-11 K. E. Mesick , W. C. Feldman , D. D. S. Coupland , L. C. Stonehill

The first asteroid simulants workshop was held in late 2015. These materials are needed for tests of technologies and mission operational concepts, for training astronauts , for medical studies, and a variety of other purposes. The new…

Earth and Planetary Astrophysics · Physics 2023-06-06 Philip T. Metzger , Daniel T. Britt , Stephen D. Covey , John S. Lewis

This work investigates a hybrid photovoltaic-wind-battery power system designed to sustain a Mars base under varying seasonal and climatic conditions. The Mars Climate Database was utilized to simulate the effects of seasonal changes,…

Instrumentation and Methods for Astrophysics · Physics 2024-12-30 Abdollah Masoud Darya , Ramesh C. Bansal , Omaima Anwar Jarndal

We perform Monte Carlo simulations of cosmic ray-induced hard X-ray radiation from the Earth's atmosphere. We find that the shape of the spectrum emergent from the atmosphere in the energy range 25-300 keV is mainly determined by Compton…

Astrophysics · Physics 2008-11-26 S. Sazonov , E. Churazov , R. Sunyaev , M. Revnivtsev

The European Radiation Dosimetry Group, EURADOS, has organised an intercomparison study on the usage of the ICRP/ICRU voxel reference computational phantoms together with radiation transport codes. Voluntary participants have been invited…

This work presents a new dataset for the Martian digital elevation model prediction task, ready for machine learning applications called MCTED. The dataset has been generated using a comprehensive pipeline designed to process…

Computer Vision and Pattern Recognition · Computer Science 2025-11-07 Rafał Osadnik , Pablo Gómez , Eleni Bohacek , Rickbir Bahia

This article is devoted to research the application of the spacecraft with a solar sail to support the certain climatic conditions in an area of the Mars surface. Authors propose principles of functioning of the spacecraft, intended to…

Space Physics · Physics 2017-09-19 Miroslav A. Rozhkov , Irina V. Gorbunova , Olga L. Starinova

The intensity and energy spectrum of galactic cosmic rays in the heliosphere are significantly influenced by the 11-year solar cycle, a phenomenon known as solar modulation. Understanding this effect and its underlying physical mechanisms…

Instrumentation and Methods for Astrophysics · Physics 2025-08-26 David Pelosi , Fernando Barão , Bruna Bertucci , Francesco Faldi , Emanuele Fiandrini , Alejandro Reina Conde , Miguel Orcinha , Nicola Tomassetti

The search for cosmic ray anisotropy has been performed using particles collected by the Alpha Magnetic Spectrometer after the first five years of operation. The positron to electron ratio is consistent with isotropy at all energies and…

High Energy Astrophysical Phenomena · Physics 2016-12-30 G. La Vacca , AMS-02 Collaboration

Experiments were performed to study how rocket exhaust blows soil in lunar and Martian conditions. Jets of gas were blown downwardly at various granular materials while a camera recorded the formation of scour holes as the material was…

Instrumentation and Methods for Astrophysics · Physics 2024-06-25 Philip T. Metzger

We address the question of to what accuracy remote sensing images of the surface of planets can be matched, so that the possible displacement of features on the surface can be accurately measured. This is relevant in the context of the…

Astrophysics · Physics 2007-05-23 Giuseppe Vacanti , Ernst-Jan Buis

DREAMS (Dust Characterisation, Risk Assessment, and Environment Analyser on the Martian Surface) is a payload accommodated on the Schiaparelli Entry and Descent Module (EDM) of ExoMars 2016, the ESA and Roscosmos mission to Mars (Esposito…

Two years after InSight's arrival at Mars, the ExoMars 2020 mission will land on the opposite side of the red planet. Similarly to InSight, which carries the RISE (Rotation and Interior Structure Experiment) radio-science experiment, the…

We explore the feasibility of using the Moon as a detector of extremely high energy (>10^19 eV) cosmic rays and neutrinos. The idea is to use the existing radiotelescopes on Earth to look for short pulses of Cherenkov radiation in the GHz…

Astrophysics · Physics 2011-05-12 J. Alvarez-Muñiz , E. Zas

Throughout its mission, the Mars Reconnaissance Orbiter (MRO) has often rolled about its along-track axis by up to 28{\deg} to partially compensate for the suboptimal location of the Shallow Radar (SHARAD) antenna along an edge of the…

Global and mesoscale models represent the background (slowly varying) winds on Mars, but short timescale wind variability is not explicitly represented. The local wind erosion and dust deposition model can be useful for more accurate local…

Earth and Planetary Astrophysics · Physics 2020-08-06 N. Deniskina
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