Results 1 to 10 of about 181 (68)

The Evolution of Hot Flow Anomalies in Martian Space Environment

open access: yesGeophysical Research Letters
Hot Flow Anomalies (HFAs) are transient foreshock structures generated by solar wind discontinuity‐bow shock interactions, with their evolution only confirmed near Earth.
Heying Wang   +9 more
doaj   +2 more sources

Preliminary Estimations of Mars Atmospheric and Ionospheric Profiles from Tianwen-1 Radio Occultation One-Way, Two-Way, and Three-Way Observations

open access: yesRemote Sensing, 2023
The radio occultation method, one of the methods used to provide planetary atmospheric profiles with high vertical resolution, was applied to China’s first Mars mission, Tianwen-1.
Min Liu   +8 more
doaj   +1 more source

Interplanetary Coronal Mass Ejections and Stream Interaction Regions Observed by Tianwen-1 and MAVEN at Mars

open access: yesThe Astrophysical Journal Supplement Series, 2023
The Tianwen-1 spacecraft is China's first Mars exploration mission. The Mars Orbiter Magnetometer (MOMAG) is a scientific instrument on board the Tianwen-1 mission that is designed to study magnetic fields at Mars, including the solar wind to the ...
Yutian Chi   +24 more
doaj   +1 more source

Martian Bow Shock Oscillations Driven by Solar Wind Variations: Simultaneous Observations From Tianwen‐1 and MAVEN

open access: yesGeophysical Research Letters, 2023
The Martian bow shock stands as the first defense against the solar wind and shapes the Martian magnetosphere. Previous studies showed the correlation between the Martian bow shock location and solar wind parameters.
Long Cheng   +23 more
doaj   +1 more source

Trim Flap System Design for Improving Ballistic-Lifting Entry Performance of the Tianwen-1 Mars Probe

open access: yesAerospace, 2022
The trim flap is an aerodynamic control surface capable of allowing Mars entry vehicles to improve landing performance during the most dangerous entry, descent, and landing (EDL) phase.
Xinli Li   +6 more
doaj   +1 more source

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

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

Flight Experiment Validation of Altitude Measurement Performance of MOSIR on Tianwen-1 Orbiter

open access: yesRemote Sensing, 2021
The MOSIR (Mars Orbiter Subsurface Investigation Radar) is one of the scientific payloads carried by the Tianwen-1 orbiter. MOSIR conducted a ground experiment in the desert near Dengkou County, northern China, before the launch of the Tianwen-1 ...
Tiansheng Hong   +11 more
doaj   +1 more source

Tianwen-1 MINPA observations in the solar wind

open access: yesEarth and Planetary Physics, 2022
The Mars Ion and Neutral Particle Analyzer (MINPA) is one of the three scientific instruments onboard the Tianwen-1 orbiter to investigate the Martian space environment.
AiBing Zhang   +27 more
doaj   +1 more source

Analysis and Verification of Aerodynamic Characteristics of Tianwen-1 Mars Parachute

open access: yesSpace: Science & Technology, 2022
The Mars parachute flight environment is supersonic, low-density, and low dynamic pressures. To ensure the operating performance and reliability, the design optimization and verification of the Tianwen-1 Mars parachute have been carried out.
Mingxing Huang, Wenqiang Wang, Jian Li
doaj   +1 more source

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