Results 21 to 30 of about 6,477,182 (276)

The Tianwen-1 Guidance, Navigation, and Control for Mars Entry, Descent, and Landing

open access: yesSpace: Science & Technology, 2021
Tianwen-1, the first mission of China’s planetary exploration program, accomplished its goals of orbiting, landing, and roving on the Mars. The entry, descent, and landing (EDL) phase directly determines the success of the entire mission, of which the ...
Xiangyu Huang   +10 more
doaj   +1 more source

System engineering research of a multirotor aircraft as a prospective technical means of exploring the atmosphere and surface of the planet Venus

open access: yesКосмические аппараты и технологии, 2023
Currently, the exploration of the planet Venus is a very relevant and developing direction in space science. The development of rocket and space technologies has expanded the boundaries of accessibility of spacecraft to objects in the Solar System, allow
M. Yu. Yatsenko   +2 more
doaj   +1 more source

A Low-Pressure, N2/CO2 Atmosphere Is Suitable for Cyanobacterium-Based Life-Support Systems on Mars

open access: yesFrontiers in Microbiology, 2021
The leading space agencies aim for crewed missions to Mars in the coming decades. Among the associated challenges is the need to provide astronauts with life-support consumables and, for a Mars exploration program to be sustainable, most of those ...
Cyprien Verseux   +6 more
doaj   +1 more source

The Absence of an Ocean and the Fate of Water all Over the Martian History

open access: yesEarth and Space Science, 2020
Existing data returned in >40 years of planetary missions to Mars provided a good basis to understand that an ocean never existed on the surface of the planet during its whole history.
Giovanni Leone
doaj   +1 more source

Identifying and Interpreting Stratification in Sedimentary Rocks on Mars: Insight from Rover and Orbital Observations and Terrestrial Field Analogs [PDF]

open access: yes, 2013
Sedimentary rocks on Mars provide insight into past aqueous and atmospheric processes, climate regimes, and potential habitability. The stratigraphic architecture of sedimentary rocks on Mars is similar to that of Earth, indicating that the processes ...
Edgar, Lauren Ashley
core   +1 more source

Future robotic exploration using honeybee search strategy: Example search for caves on Mars [PDF]

open access: yes, 2011
Autonomous control has an increasing role in Earth and Space based applications. High level autonomy can greatly improve planetary exploration and is, in many cases, essential.
Kisdi, Áron   +3 more
core   +1 more source

Environmental Test Program for the Mars Exploration Rover Project [PDF]

open access: yesJournal of the IEST, 2007
On June 10 and July 7, 2003, the National Aeronautics and Space Administration (NASA) launched two spacecraft from Cape Canaveral, Florida, for 6-month flights to the Red Planet, Mars. The two Mars Exploration Rover spacecraft landed safely on the planet on January 3 and 24, 2004.
Terry Fisher, Paul Van Velzer
openaire   +1 more source

Vision-based navigation and guidance for small Mars UAVs

open access: yesNihon Kikai Gakkai ronbunshu, 2014
Mars airplane is one of the candidate payloads of JAXA's next Mars exploration program. Airborne observation of Mars is expected to fill the “gap” between rovers, which provides a detailed observation but a limited area of coverage, and orbiters ...
Kentaro ARAI   +3 more
doaj   +1 more source

Launch Opportunities and Preliminary Orbit Design for Next Mars Exploration Program

open access: yesTransactions of the Japan Society for Aeronautical and Space Sciences Aerospace Technology Japan, 2012
Ayako Matsuoka   +2 more
exaly   +3 more sources

A Concept for a Mars Boundary Layer Sounding Balloon: Science Case, Technical Concept and Deployment Risk Analysis

open access: yesAerospace, 2022
The Mars Exploration Program Analysis Group has identified measurements of the state and the variability of the Martian atmosphere as high priority investigations for the upcoming years. Balloon-borne instruments could bridge the gap in both temporal and
Lars Witte   +6 more
doaj   +1 more source

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