Results 11 to 20 of about 140,191 (212)

Origin of Life on Mars: Suitability and Opportunities

open access: yesLife, 2021
Although the habitability of early Mars is now well established, its suitability for conditions favorable to an independent origin of life (OoL) has been less certain.
Benton C. Clark   +8 more
doaj   +1 more source

A novel artificial intelligence approach for regolith geochemical grade prediction using multivariate adaptive regression splines

open access: yesGeosystems and Geoenvironment, 2022
The necessity for applying a potent analytical regolith geochemical grade estimator is driven by the reality of mineral exploration. This is because many exploration geologists rely upon the classical geostatistical method of Kriging which oftentimes do ...
Fareed Majeed   +4 more
doaj   +1 more source

Overview of the Mars climate station for Tianwen-1 mission

open access: yesEarth and Planetary Physics, 2020
The background and scientific objectives of the Mars Climate Station (MCS) for Tianwen-1 are introduced, accompanied by a comparative review of the status of related meteorological observation missions and of advanced sensing technologies.
YongQing Peng   +17 more
doaj   +1 more source

Discoveries of the InSight seismic investigation on Mars' surface

open access: yes地球与行星物理论评, 2021
The InSight mission is a great milestone in the history of Mars' seismic exploration after the Viking 2 lander. We first review the scientific goals of the InSight mission and its seismic observation experiment on Mars' surface.
Wanbo Xiao, Yanbin Wang
doaj   +1 more source

Predictions and Possible Solutions for the Sustainability of Mars Settlement

open access: yesStudia Humana, 2022
With the end of the Cold War, political and ideological competition has decreased as a stated reason for space exploration. The possibility of establishing a settlement on Mars is being seriously evaluated by state and commercial space agencies, which ...
Yazıcı Ayşe Meriç, Haqq-Misra Jacob
doaj   +1 more source

The guiding role of national demand in the first level discipline construction of planetary science

open access: yes地球与行星物理论评, 2021
Since the beginning of the 21st century, deep space exploration has become an important national strategy. Five lunar exploration missions and the first Mars exploration mission have been successful.
Yong Wei
doaj   +1 more source

A non-data-aided SNR estimator based on maximum likelihood method for communication between orbiters

open access: yesEURASIP Journal on Wireless Communications and Networking, 2020
Signal-to-noise ratio (SNR) is an important metric for performance assessment in numerous scenerios. In order to ensure the reliability and effectiveness of the system performance, plenty of situations require the information of SNR estimate. At the same
Zezhou Sun, Xin Gong, Fan Lu
doaj   +1 more source

Mars climate engineering using orbiting solar reflectors [PDF]

open access: yes, 2009
The manned mission is seen as a first step towards a Mars surface exploration base-station and, later, establishing permanent settlement. The location and use of Mars's natural resources is vital to enable cost-effective long-duration human exploration ...
C. Sagan   +17 more
core   +1 more source

Aerodynamic characteristics and flow field of delta wings with the canard

open access: yesMATEC Web of Conferences, 2018
Now, many kinds of explorations for outer planets have been proposed around the world. Among them Mars attracts much attention for future exploration. Orbiters and landers have been used for Mars exploration.
Mochizuki Saya, Yamada Gouji
doaj   +1 more source

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