English
Related papers

Related papers: Feasibility Study For Hydrogen Producing Colony on…

200 papers

Mid-Air Deployment (MAD) of a rotorcraft during Entry, Descent and Landing (EDL) on Mars eliminates the need to carry a propulsion or airbag landing system. This reduces the total mass inside the aeroshell by more than 100 kg and simplifies…

Growing concerns regarding environmental health have highlighted the aviation industry's impact and potential mitigation strategies. Previous research has indicated hydrogen's significant potential for reducing the industry's environmental…

Systems and Control · Electrical Eng. & Systems 2024-12-20 Armaan Sharma , Mansur M. Arief

Any rotorcraft on Mars will fly in a low pressure and dusty environment. It is well known that helicopters on Earth become highly-charged due, in part, to triboelectric effects when flying in sandy conditions. We consider the possibility…

Earth and Planetary Astrophysics · Physics 2021-02-09 W. M. Farrell , J. L. McLain , J. R. Marshall , A. Wang

Since Viking has conducted its life detection experiments on Mars, many missions have enhanced our knowledge about the environmental conditions on the Red Planet. However, the Martian surface chemistry and the Viking lander results remain…

Biological Physics · Physics 2009-11-13 Dirk Schulze-Makuch , Carol Turse , Joop Houtkooper , Chris McKay

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

The Mars Science Laboratory (MSL) Rover Environmental Monitoring Station (REMS) has now made continuous in-situ meteorological measurements for several martian years at Gale crater, Mars. Of importance in the search for liquid formation are…

The climate of Mars likely evolved from a warmer, wetter early state to the cold, arid current state. However, no solutions for this evolution have previously been found to satisfy the observed geological features and isotopic measurements…

Earth and Planetary Astrophysics · Physics 2015-12-03 Renyu Hu , David M. Kass , Bethany L. Ehlmann , Yuk L. Yung

A significant step in space exploration during the 21st century will be human settlement on Mars. Instead of transporting all the construction materials from Earth to the red planet with incredibly high cost, using Martian soil to construct…

Materials Science · Physics 2016-08-15 Lin Wan , Roman Wendner , Gianluca Cusatis

The most pragmatic first step in the all-but-inevitable 3rd-millennium V\"olkerwanderung of humanity throughout the Solar System is the establishment of a permanent human presence on the Moon. This research examines: 1. the human,…

Physics and Society · Physics 2025-11-04 Jeffrey S. Lee , Joe C. Yelderman , Gerald B. Cleaver

Latest research in planet formation indicate that Mars formed within a few million years (Myr) and remained a planetary embryo that never grew to a more massive planet. It can also be expected from dynamical models, that most of Mars'…

Earth and Planetary Astrophysics · Physics 2015-06-16 N. V. Erkaev , H. Lammer , L. Elkins-Tanton , A. Stökl , P. Odert , E. Marcq , E. A. Dorfi , K. G. Kislyakova , Yu. N. Kulikov , M. Leitzinger , M. Güdel

Early Mars climate research has well-defined goals (Mars Exploration Program Analysis Group 2018). Achieving these goals requires geologists and climate modelers to coordinate. Coordination is easier if results are expressed in terms of…

Earth and Planetary Astrophysics · Physics 2019-01-01 Edwin S. Kite

The precipitation of energetic neutral atoms, produced through charge exchange collisions between solar wind ions and thermal atmospheric gases, is investigated for the Martian atmosphere. Connections between parameters of precipitating…

Earth and Planetary Astrophysics · Physics 2015-06-19 Nicholas Lewkow , Vasili Kharchenko

It is extremely important to understand and model the Martian radiation environment in preparation for future human missions to Mars, especially during extreme and elevated conditions such as an intense solar energetic particle (SEP) event.…

Microscopic liquid brines, especially calcium-perchlorate could emerge by deliquescence on Mars during night time hours. Using climate model computations and orbital humidity observations, the ideal periods and their annual plus daily…

Earth and Planetary Astrophysics · Physics 2016-09-27 B. Pál , Á. Kereszturi

Abundant geomorphological and geochemical evidence of liquid water on the surface of early Mars during the late Noachian and early Hesperian periods needs to be reconciled with a fainter young Sun. While a dense CO2 atmosphere and related…

Earth and Planetary Astrophysics · Physics 2024-11-19 Jason Jorge , Robin Wordsworth , Danica Adams

Despite very high temperatures accompanying lunar origin, indigenous water in the form of OH has been unambiguously observed in Apollo samples in recent years. Such observations have prompted questions about the abundance and distribution…

Earth and Planetary Astrophysics · Physics 2016-05-25 Kaveh Pahlevan , Shun-ichiro Karato , Bruce Fegley

Massive steam and CO$_2$ atmospheres have been proposed for magma ocean outgassing of Earth and terrestrial planets. Yet formation of such atmospheres depends on volatile exchange with the molten interior, governed by volatile solubilities…

Earth and Planetary Astrophysics · Physics 2022-05-03 Dan J. Bower , Kaustubh Hakim , Paolo A. Sossi , Patrick Sanan

There is growing evidence suggesting the presence of aqueous environment on ancient Mars, raising the question of the possibility of life in such an environment. Subsequently, with the erosion of the Martian atmosphere resulting in drastic…

Earth and Planetary Astrophysics · Physics 2020-12-02 Dimitra Atri

Free-floating planets (FFPs) can result from dynamical scattering processes happening in the first few million years of a planetary system's life. Several models predict the possibility, for these isolated planetary-mass objects, to retain…

Earth and Planetary Astrophysics · Physics 2023-07-19 Giulia Roccetti , Tommaso Grassi , Barbara Ercolano , Karan Molaverdikhani , Aurélien Crida , Dieter Braun , Andrea Chiavassa

Comparing compositional models of the terrestrial planets provides insights into physicochemical processes that produced planet-scale similarities and differences. The widely accepted compositional model for Mars assumes Mn and more…

Earth and Planetary Astrophysics · Physics 2020-02-12 Takashi Yoshizaki , William F. McDonough
‹ Prev 1 3 4 5 6 7 10 Next ›