Results 1 to 10 of about 3,686 (313)

Performance Analysis of Mars-Powered Descent-Based Landing in a Constrained Optimization Control Framework [PDF]

open access: goldEnergies, 2021
It is imperative to find new places other than Earth for the survival of human beings. Mars could be the alternative to Earth in the future for us to live. In this context, many missions have been performed to examine the planet Mars.
Adnan Khalid   +9 more
doaj   +2 more sources

Landing on Mars [PDF]

open access: yesTehnika, 2019
More than 40 years after the first successful landing on Mars, in situ exploration of its surface continues to be a huge scientific and technological challenge.
Marčeta Dušan M., Rašuo Boško P.
doaj   +2 more sources

Geology of the InSight landing site on Mars [PDF]

open access: yesNature Communications, 2020
The InSight spacecraft landed on Mars on November 2018. Here, the authors characterize the surficial geology of the landing site and compare with observations and models derived from remote sensing data prior to landing and from ongoing in situ ...
M. Golombek   +46 more
doaj   +8 more sources

An enhanced anti-disturbance guidance scheme for powered descent phase of Mars landing under actuator fault [PDF]

open access: goldInternational Journal of Advanced Robotic Systems, 2018
As a class of autonomous deep-space exploration robots, Mars lander is simultaneously affected by wind disturbance and actuator fault, which hinders precise landing on Mars.
Jianwei Xu, Jianzhong Qiao, Lei Guo
doaj   +2 more sources

A probable ancient nearshore zone in southern Utopia on Mars unveiled from observations at the Zhurong landing area [PDF]

open access: yesScientific Reports
The Chinese Mars rover Zhurong successfully landed in southern Utopia Planitia on Mars in May 2021. Previous research suggested a Hesperian ocean may have existed in the northern lowland on Mars.
Bo Wu   +14 more
doaj   +2 more sources

Spatio-Temporal Analysis of Dust Storm Activity in Chryse Planitia Using MGS-MOC Observations from Mars Years 24–28

open access: yesUniverse, 2021
Dust storms, observed in all seasons, are among the most momentous of Mars’ atmospheric activities. The Entry–Descent–Landing (EDL) activity of a Martian landing mission is influenced by local atmospheric conditions, especially the probability of dust ...
Bo Li   +6 more
doaj   +1 more source

Perseverance Rover Lands on Mars [PDF]

open access: yesThe Electrochemical Society Interface, 2021
On February 18, 2021, at 3:55 p.m. EST, NASA’s Perseverance rover landed at the Jezero Crater on Mars. Perseverance is NASA’s most advanced rover to date and traveled 293 million miles (472 million kilometers) over 203 days; an average speed of over 60,000 miles per hour! After several weeks of testing, Perseverance will begin a two-year exploration of
E. Jennings Taylor, Gregory S. Jackson
openaire   +1 more source

A Case Study in the Mars Landing Site Selection for Science Objects [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2012
It is a crucial matter to select a landing site for landers or rovers in planning the Mars exploration. The landing site must have not only a scientific value as a landing site, but also geographical features to lead a safe landing for Mars probes.
Haingja Seo   +5 more
doaj   +1 more source

Evaluation and Analysis of Dust Storm Activity in Tianwen-1 Landing Area Based on the Moderate Resolution Imaging Camera Observations and Mars Daily Global Maps

open access: yesRemote Sensing, 2021
The first Mars exploration mission from China (Tianwen-1) was launched on 23 July 2020 with the goal of “orbiting, landing, and roving”. The occurrence of dust storm activities is an important criterion of assessing atmospheric risk for the Tianwen-1 ...
Shaojie Qu   +7 more
doaj   +1 more source

Initial results of the meteorological data from the first 325 sols of the Tianwen-1 mission

open access: yesScientific Reports, 2023
As the Zhurong rover landed on the surface of Mars in 2021, it began a months-long collection of Mars data. Equipped with highly sensitive sensors, Zhurong is capable of being a meteorological station at the surface of Mars. The Mars Climate Station, one
Chunsheng Jiang   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy