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One-third of Mars' surface has shallow-buried H$_2$O, but it is currently too cold for use by life. Proposals to warm Mars using greenhouse gases require a large mass of ingredients that are rare on Mars' surface. However, we show here that…

地球与行星天体物理 · 物理学 2024-09-09 Samaneh Ansari , Edwin S. Kite , Ramses Ramirez , Liam J. Steele , Hooman Mohseni

Establishing a human colony on Mars is one of the most ambitious endeavors of our time. This paper provides a comprehensive assessment of the challenges and solutions related to Mars colonization, emphasizing sustainability, efficiency, and…

天体物理仪器与方法 · 物理学 2024-02-19 Florian Neukart

The climate of early Mars has been hotly debated for decades. Although most investigators believe that the geology indicates the presence of surface water, disagreement has persisted regarding how warm and wet the surface must have been and…

地球与行星天体物理 · 物理学 2017-07-19 Ramses M. Ramirez

Surface release of radiatively active particles, with high infrared- (IR-)to-visible extinction ratios, has been proposed as a method of warming Mars. However, to warm Mars using aerosols, particles released locally must disperse globally.…

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…

地球与行星天体物理 · 物理学 2024-11-19 Jason Jorge , Robin Wordsworth , Danica Adams

The low temperatures and high ultraviolet (UV) radiation levels at the surface of Mars today currently preclude the survival of life anywhere except perhaps in limited subsurface niches. Several ideas for making the martian surface more…

地球与行星天体物理 · 物理学 2019-07-23 R. Wordsworth , L. Kerber , C. Cockell

The colonization of Mars presents extraordinary challenges, including radiation exposure, low atmospheric pressure, and toxic regolith. Recent advancements in synthetic biology and genetic engineering offer unprecedented opportunities to…

地球与行星天体物理 · 物理学 2025-04-01 Randall R. Correll , Simon P. Worden

Terraforming Mars can be evaluated with a set of system-level constraints linking (i) target pressures & compositions to required atmospheric inventories, (ii) target surface temperatures to the required radiative control, (iii) inventories…

地球与行星天体物理 · 物理学 2026-05-29 Slava G. Turyshev

Recent papers by Ansari et al. (2024, Science Advances 10, eadn4650) and Richardson et al. (2025, arXiv eprint 2504.01455) have suggested that global warming of the Martian surface ('terraforming') by 35 K to sustain local habitats above…

地球与行星天体物理 · 物理学 2026-03-03 Ashwin S. Braude , Edwin S. Kite , Mark I. Richardson , Alexandre Kling , Michael A. Mischna

The presence of the ancient valley networks on Mars indicates that the climate at 3.8 Ga was warm enough to allow substantial liquid water to flow on the martian surface for extended periods of time. However, the mechanism for producing…

地球与行星天体物理 · 物理学 2016-10-12 Ramses M. Ramirez , James F. Kasting

This thesis work aims to study the possibility of energy production on Martian soil and, in particular, to establish what might be an optimal configuration for an energy system. This goal has been contextualized in the will to feed a…

地球与行星天体物理 · 物理学 2021-05-04 Gianmario Broccia

The nature of the early Martian climate is one of the major unanswered questions of planetary science. Key challenges remain, but a new wave of orbital and in situ observations and improvements in climate modeling have led to significant…

地球与行星天体物理 · 物理学 2016-07-06 Robin Wordsworth

The debate over the early Martian climate is among the most intriguing in planetary science. Although the geologic evidence generally supports a warmer and wetter climate, climate models have had difficulty simulating such a scenario,…

地球与行星天体物理 · 物理学 2020-03-12 Ramses M. Ramirez , Robert A. Craddock , Tomohiro Usui

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…

地球与行星天体物理 · 物理学 2025-05-01 Zachary C. Rowland , Eva Fernandez Rodriguez

A central question surrounding possible human exploration of Mars is whether crewed missions can be supported by available technologies using in situ resources. Here, we show that photovoltaics-based power systems would be adequate and…

Performing orbital insertion around Mars using aerocapture instead of a propulsive orbit insertion manoeuvre allows to save resources and/or increase the payload mass fraction. Aerocapture has never been employed to date because of the high…

地球与行星天体物理 · 物理学 2021-07-13 Giorgio Isoletta , Michele Grassi , Elena Fantino , David de la Torre Sangrà , Jesús Peláez Álvarez

Mars provides a critical analog to once habitable exoplanets that have since lost their surface liquid water. The current atmospheric state of Mars retains the chemical fingerprints of that transition, including isotopic signatures of…

天体物理仪器与方法 · 物理学 2026-05-27 Matteo Crismani , Richard Cartwright , Michael Chaffin , Sara Faggi , Stephanie Milam , Geronimo Villanueva

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…

地球与行星天体物理 · 物理学 2015-12-03 Renyu Hu , David M. Kass , Bethany L. Ehlmann , Yuk L. Yung
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