Tag: Mars rovers

#CNSA #ChinaNationalSpaceAdministration #國家航天局 |#BeltAndRoadinitiative #March2022 | #火星 # 天問 #天问一号#TianwenOne #MarsMission #Marslander #MarsRover #Tianwen1 probe  #祝融号 #ZhuRong #Tianwen1 returned high-resolution images of the Mars inspection area…..

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On the months of March 2022  the week of 20th March 2022   天问一号飞運騎遊達达3亿CNSA – China National Space Administration – ESA – European Space agency Belt and road initiative mars mission…first Mars exploration mission, Tianwen- Martian Probe One  sent back stunning images of the Half Earth Mass size of the Rustic Planet Mars in which show stunning Martian landscape with its iconic polar caps of either southern or northern .. With its timeless Stunning Mars Photography. Tianwen-1″ returned high-resolution images of the Mars inspection area

Figure 1 The image of the inspection area of ​​”Zhurong” taken by a high-resolution camera

 A few days ago, the “Tianwen No. 1” orbiter passed over the inspection area of ​​the Mars rover again, and took a 0.5-meter resolution image of the “Zhurong” inspection area. As of March 24, 2022, the “Zhurong” rover has been working on the surface of Mars for 306 Martian days and has traveled 1,784 meters in total. The “Tianwen-1” orbiter has been in orbit for 609 days and is 277 million kilometers away from the earth. Both are operating normally.

(a) Taken on May 19 , 
2021 ( the 
5th
 Martian day after landing ), the surface of the rover is not covered by sand and dust
(b) Taken on 
January 
22 , 
2022 (the 247th

 Martian day 
after landing ), there is obvious dust coverage on the surface of the 
rover
Figure 2 Comparison of images of the rover taken by the Navigation Terrain Camera in different periods

The “Zhurong” rover also sent back selfies from the surface of Mars. Compared with the photos taken just after landing, it can be seen that a thin layer of dust has accumulated on the surface of the rover. At the same time, according to the telemetry information of the rover, the power generation efficiency of the solar wing is affected to a certain extent, but the energy is still sufficient. In order to cope with the dust coverage, the solar wing of the Mars rover has been specially designed, and various measures can be taken to deal with the problem of the reduction of power generation efficiency caused by the sand and dust.

(a) 
Taken at the 
center of the 
 image on January 22 , 2022 ( 30.7 °E, 74.0 ° N )
(b) 
Taken at the center of the image on February 10 , 2022 ( 37.8 ° east longitude , 7 2.9 ° north latitude), a local sandstorm occurred, and the ground objects were difficult to distinguish
 
Fig. 3 Comparison of wind and sand activities in high latitude regions of the Northern Hemisphere captured by medium-resolution cameras

The Martian dust storm will directly affect the energy acquisition of the Mars rover, which has always attracted much attention. The engineering team continued to monitor the Martian sand and dust weather through images obtained by the medium-resolution camera of the “Tianwen-1” orbiter, and found that from late January this year, obvious wind and sand activities began to appear in the area north of 60 ° N latitude on Mars. It can be seen from the figure below that a local sandstorm occurred in this area in February this year, and typical features were covered by a large amount of sand and dust, making it difficult to distinguish.

At present, the northern hemisphere of Mars has begun to enter autumn. According to the analysis of previous detection data, autumn is the season of frequent occurrence of dusty weather on Mars, but no obvious dusty weather has been observed in the inspection area of ​​”Zhurong”.

(a) Taken on March 24 , 2021 , at the center of the image ( 110.2 ° E, 24.6 °N)
(b) Taken on January 30 , 2022 , at the center of the image ( 107.4 ° E longitude , 24.4 ° N latitude )
Figure 4. Medium resolution image of “Zhurong” landing inspection area

The “Tianwen-1” orbiter continues to carry out global remote sensing exploration of Mars, and focuses on typical landforms and geological units such as craters, volcanoes, canyons, and dry riverbeds, and obtains high-resolution images. On March 7 this year, the American “Perseverance” rover was photographed while imaging the “Jezero” crater, which is currently located about 200 meters southeast of its landing site.

Figure 5 The American “Perseverance” rover photographed by “Tianwen-1”

Source Cartography: National Astronomical Observatory -Author: Geng Yan Chen Gang

Images and visuals are from CNSA- China National Space Administration also from there respectives- CLEP –China Lunar Exploration Project..

#CNSA #ChinaNationalSpaceAdministration #國家航天局 |#BeltAndRoadinitiative #February2022 | #火星 # 天問 #天问一号#TianwenOne #MarsMission #Marslander #MarsRover #Tianwen1 probe  #祝融号 #ZhuRong Tianwen1 #ChineseNewYear2022 with  #MarsPhotography Tianwen-1 probe #YearoftheTiger  congratulates the grand opening of the #BeijingWinterOlympics#Beijing2022 from Mars

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On the months of January 2022 1st January 2022 on New Years Day  天问一号飞運騎遊達达3亿CNSA – China National Space Administration – ESA – European Space agency Belt and road initiative mars mission…first Mars exploration mission, Tianwen- Martian Probe One  sent back stunning images of the Half Earth Mass size of the Rustic Planet Mars in which show stunning Martian landscape with its iconic polar caps of either southern or northern .. with its timeless Stunning Mars Photography.

On 2022 New Year’s Day, China National Space Administration CLEP – China Lunar Exploration program  issued a set of beautiful images of the first Mars mission Heaven 1 spacecraft returned from distant Mars, report to the National People ‘Heaven One “peace, extended festival greetings .

On the eve on 31st January 2022 in which on the 1st February 2022 of the Chinese Lunar New year Spring Festival in the Year of the Tiger, the Tianwen-1 probe sent back a set of selfie videos from Mars orbit to extend New Year wishes to the people of the whole country- China – People’s Republic of China and the Chinese Communities . On the 29th of the twelfth lunar month last year (February 10, 2021), Tianwen-1 arrived on Mars and successfully implemented capture and braking. It became my country’s first artificial Mars satellite, and started a scientific exploration journey to the red planet. a lunar year.

rews are installing mascots on the Mars lander
 

Also on the 4th February 2022 Sunday the Winter Olympics begin! A blessing “falls from the sky” across 320 million kilometers! Previously, the mascots of the Beijing Winter Olympics and the Winter Paralympics, Bing DunDun and Xue RongRong, landed on Mars on Tianwen-1, and took a group photo with the Zhurong Mars rover, which was a dream ..

Also that Day the Tianwen-1 probe, the five-star red flag and the emblems of the Beijing Winter Olympics and Paralympic Games took a selfie in the same frame.

Crews are installing the emblem on the Mars orbiter


Beijing is the first city with both summer and winter Olympics, and Tianwen-1 is China’s first interplanetary exploration mission, sending the mascots and logos of the Winter Olympics and Paralympics to Mars. The Chinese expression is the Chinese nation’s advocacy and pursuit of faster, higher, stronger and more united.

This set of “cosmic-level” photos returned from Mars orbit was taken by the “selfie” camera carried by the Tianwen-1 probe. This group of photos is not only a “highest” Winter Olympics gift to friends on the ground, but also a highlight witness to the world’s shared Olympic moments!

As of February 4th 2022, Tianwen-1 has been in orbit for 561 days, and the Zhurong rover has worked for 259 Martian days, traveling a total of 1,537 meters. Both the orbiter and the rover are in good condition and operating normally. 

Images and visuals are from CNSA- China National Space Administration also from there respectives- CLEP –China Lunar Exploration Project..

#CNSA #ChinaNationalSpaceAdministration #國家航天局 |#BeltAndRoadinitiative #December2021 |#火星 # 天問 #天问一号#TianwenOne #MarsMission #Marslander #MarsRover #Tianwen1 probe  #祝融号 #ZhuRong Tianwen No.1 probe #RedPlanet #Mars The China-Europe Mars Rover successfully carried out an on-orbit relay communication test …..

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On the months of November 2021  天问一号飞運騎遊達达3亿CNSA – China National Space Administration – ESA – European Space agency Belt and road initiative mars mission…first Mars exploration mission, Tianwen- Martian Probe One …….祝融号Zhu Rong”  , China’s “Tianwen One” in cooperation with the European Space Agency “Mars Express” mission team, launched the “Vulcan No.” rover and “Mars Express” orbiter orbit relay communications test and achieved a complete success. Before the test, the respective detectors in both directions must be instructed to make preparations for the test. At the appointed time, the “Zhurong” will send the test data to the “Mars Express”, the communication distance is about 4000 kilometers, and the communication time is 10 minutes. The “Mars Express” receives the data and forwards it to the deep space monitoring and control station of ESA. After receiving the data, the monitoring and control station sends it to the European Space Operations Center (ESOC). The ESOC is then forwarded to the Beijing Aerospace Flight Control Center. After interpretation by the Chinese technical team, Interpret the correctness of the data. The test process is shown in the figure.

Constrained by weight and size, the Mars rover has weak direct-to-ground communication capabilities and cannot meet the demand for large amounts of data transmission. Therefore, the data needs to be sent to the Mars orbiter that is closer, and the orbiter with stronger communication capability is forwarded to the ground receiving system. , This process is called relay communication.

Under normal circumstances, before establishing relay communication, the orbiter will first send an “initiate” signal to the rover, and then the rover will reply with an “confirmation” signal, and then the two parties will establish a stable two-way relay communication link, just like a friend calling The phone needs to be dialled first. Since the launch frequency of the “Mars Express” does not match the receiving frequency of the “Zhurong”, the communication link cannot be established by “dialling a phone”. The transmission frequency of “Zhurong” matches the receiving frequency of “Mars Express”. Therefore, both parties need to agree on a communication time in advance. The “Zhurong” sends data directly and “Mars Express” performs “blind reception”, which is a bit similar to the communication method of WeChat. . The “Mars Express” orbiter has a “blind harvest” function, but there has been no chance to actually use this function for more than a decade.

ESA stated that this test is a good opportunity for the “Mars Express” to verify the “blind harvest” model in orbit. According to the results of data interpretation and analysis, the mission teams of both parties confirmed that the interfaces of the relay communication equipment configured on the “Zhurong” and the “Mars Express” match conform to international standards, and the content of the transmitted data is complete and correct, and the test is a success. In the future, the two parties will further carry out scientific data relay communication cooperation on the basis of this phase of experimentation. The “Zhurong” rover currently works on the surface of Mars for 196 Mars days, has travelled 1,297 meters in total, and obtained about 10GB of raw scientific data for inspections and explorations. It has sufficient energy and is in good condition.

中欧火星探测器成功开展在轨中继通信试验​

2021年11月，我国“天问一号”与欧空局“火星快车”任务团队合作，开展了“祝融号”火星车与“火星快车”轨道器在轨中继通信试验，取得圆满成功。试验前，双方向各自探测器上行指令做好试验准备。在约定时刻，由“祝融号”向“火星快车”发送测试数据，通信距离约4000千米，通信时长10分钟。“火星快车”接收数据后转发给欧空局所属深空测控站，测控站接收后发送给欧洲空间操作中心（ESOC），ESOC再转发至北京航天飞行控制中心，由中方技术团队解译后，判读数据的正确性。试验过程如图所示。

受重量和体积约束，火星车直接对地通信能力较弱，无法满足大量数据传输需求，因此需要将数据发送给距离较近的火星轨道器，由通信能力更强的轨道器转发给地面接收系统，这个过程称作中继通信。

一般情况下，在建立中继通信前，轨道器会先向火星车发送一个“发起”信号，随后火星车回复“确认”信号，然后双方建立稳定的双向中继通信链路，就像朋友打电话需先拨通电话一样。由于“火星快车”发射频率与“祝融号”接收频率不匹配，不能通过“拨通电话”的方式建立通信链路。“祝融号”发射频率与“火星快车”接收频率匹配，因此双方需要事先约定好通信时间，由“祝融号”直接发送数据，“火星快车”进行“盲收”，有点类似于微信的通信方式。“火星快车”轨道器具备“盲收”功能，但在过去十多年里一直没有机会实际使用该功能。

欧空局表示，此次试验是“火星快车”在轨验证“盲收”模式的很好机会。根据数据判读分析结果，双方任务团队确认“祝融号”和“火星快车”配置的中继通信设备接口匹配，符合国际标准，传输数据内容完整正确，试验取得成功。后续，双方将在本阶段试验的基础上，进一步开展科学数据中继通信合作。“祝融号”火星车目前在火星表面工作196个火星日，累计行驶1297米，获取巡视探测原始科学数据约10GB，能源充足、状态良好。


作者：耿言 陈刚

#CNSA #ChinaNationalSpaceAdministration #國家航天局 |#BeltAndRoadinitiative #November2021 |#火星 # 天問 #天问一号#TianwenOne #MarsMission #Marslander #MarsRover #Tianwen1 probe  #祝融号 #ZhuRong Tianwen No.1 probe orbiter enters remote sensing mission orbit on the #RedPlanet #Mars#天问一号探测器进入日凌阶段…

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On the  8TH November 2021 Friday 天问一号飞運騎遊達达3亿CNSA – China National Space Administration – ESA – European Space agency Belt and road initiative mars mission…first Mars exploration mission, Tianwen- Martian Probe One …….祝融号Zhu Rong”  also have been exploration Roamingly1,253 meterson the Rustic half diameter planet size Red planet Mars… During that time Tianwen-1 orbiter enters remote sensing mission orbit…


November 8, 2021, “Heaven” successfully implemented around the fifth brake near the fire, into the exact orbit remote sensing mission, the Mars Global to carry out remote sensing. In the early stage, the “Zhurong” Mars rover has successfully completed the established inspection mission objectives, and is in good condition, and continues to carry out the detection mission. Considering the global remote sensing detection of the orbiter and the relay communication requirements of the Mars rover, the engineering development team optimized the orbit design and determined a remote sensing orbit plan with a near fire point of about 265 kilometers, a far fire point of about 10,700 kilometers, and a period of about 7.08 hours. While ensuring the development of orbiting scientific exploration, it will provide more relay communication support for the Mars rover to improve the efficiency of mission development.

n the remote sensing orbit, seven scientific payloads including mid-resolution cameras, high-resolution cameras, subsurface detection radars, mineral spectrum analyzers, magnetometers, ion and neutral particle analyzers, and energy particle analyzers will be acquired Scientific data such as fire star morphology and geological structure, surface material composition and soil type distribution, atmospheric ionosphere, Martian space environment, etc., focusing on typical landforms and geological units such as craters, volcanoes, canyons, and dry river beds, and implement high-resolution detection.

Up to now, the orbiter has been in orbit for 473 days, the ground fire distance is 384 million kilometers, and the light travel time is 21 minutes and 20 seconds; the rover has worked on the surface of Mars for 174 Mars days and travelled 1,253 meters in total. The two devices are in good condition. The working condition is normal. 

​2021年11月8日，“天问一号”环绕器成功实施第五次近火制动，准确进入遥感使命轨道，开展火星全球遥感探测。前期，“祝融号”火星车已圆满完成既定巡视探测任务目标，各项状态良好，继续开展探测任务。综合考虑环绕器全球遥感探测和火星车中继通信需求，工程研制团队优化了轨道设计，确定了近火点约265千米、远火点约1.07万千米、周期约7.08小时的遥感轨道方案，在保证开展环绕科学探测的同时，为火星车提供更多的中继通信支持，提升任务开展的效率…


在遥感轨道，环绕器中分辨率相机、高分辨率相机、次表层探测雷达、矿物光谱分析仪、磁强计、离子与中性粒子分析仪、能量粒子分析仪等7台科学载荷，将获取火星形貌与地质构造、表面物质成分与土壤类型分布、大气电离层、火星空间环境等科学数据，重点关注陨石坑、火山、峡谷、干涸河床等典型地貌和地质单元，实施高分辨率探测。

截至目前，环绕器在轨运行473天，地火距离3.84亿千米，光行时21分20秒；火星车在火星表面工作174个火星日，累计行驶1253米，两器状态良好，各系统工况正常。  

 

Images and visuals are from CNSA- China National Space Administration also from there respectives..

Author: Geng Yan Chen Gang

#CNSA #ChinaNationalSpaceAdministration #國家航天局 |#BeltAndRoadinitiative #October2021 |#火星 # 天問 #天问一号#TianwenOne #MarsMission #Marslander #MarsRover #Tianwen1 probe  #祝融号 #ZhuRong Tianwen No.1 probe enters the solar transit stage on the #RedPlanet #Mars# Occultation behind the Sun天问一号探测器进入日凌阶段…

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On the  5th October 2021天问一号飞運騎遊達达3亿CNSA – China National Space Administration – ESA – European Space agency Belt and road initiative mars mission…first Mars exploration mission, Tianwen- Martian Probe One …….”祝融号Zhu Rong”  previously on 30th August 2021 Mars Lander – Mars rover successfully exploring more than 1064 meters from its base lander camp.. Roamingly on the Rustic half diameter planet size Red planet Mars on Hong Kong SAR- Beijing Earth Wednesday time…  In which new mileage: “Zhu Rong” Mars Rover ….Sailing in the galaxy, strolling through the glamorous rustic environment in talking it’s adventure with Tianwen 1 Martian communications probe orbiting the Red Planet… in which “Zhurong” Mars rover completes scheduled exploration mission

In which on 5th Tuesday October 2021 Tianwen-1 probe enters the solar transit stage since late September, the earth and Mars have gradually moved to both sides of the sun and the three are almost in a straight line. The solar electromagnetic radiation interference gradually increases, and the device-to-ground communication is disturbed. Instability or even interruption, this phenomenon is called “riling”.


The “lost connection” between the probe and the ground during the solar transit is the expected normal state, and the “lost connection” is not “missing”. In order to safely pass the solar transit period, the Mars rover and the orbiter have completed the relevant state settings recently, stopped the scientific exploration work and continued to monitor the state. riling will end in mid-October, and the probe will resume communication with the ground and continue scientific exploration. 

In which during China’s National Day of the People’s Republic of China  was told the Marian Lander Zhurong also its Base Camp Mars Lander to go on a well earn sleep hibernation  in which  Tianwen No.1 probe enters the solar transit stage Beginning in late September, the Earth and Mars have gradually moved to both sides of the sun and the three are almost in a straight line. Due to  the electromagnetic radiation interference of the sun has gradually increased, and the communication between the device and the ground has been disturbed, and there has been instability or even interruption. This phenomenon is called “sun.” Ling”. The “lost connection” between the probe and the ground during the solar transit is the expected normal state, and the “lost connection” is not “missing”. In order to safely pass the solar transit period, the rover and the orbiter have completed the relevant status settings recently, stopped scientific exploration work and continued to monitor the status. Ri Ling will end in mid-October; the detector will resume communication with the ground and continue to carry out scientific exploration as the Planet Mars moves out from the Occultation going behind the Sun…

​​​天问一号探测器进入日凌阶段

9月下旬开始，地球、火星逐渐运行至太阳的两侧且三者近乎处于一条直线上，太阳电磁辐射干扰逐渐增强，器地通信受到干扰，出现不稳定甚至中断，这种现象称作“日凌”。

日凌期间探测器与地面“失联”是预期的正常状态，“失联”不是“失踪”。为安全度过日凌期，日前火星车和环绕器先后完成相关状态设置，停止科学探测工作并持续进行状态监视。

日凌将于10月中旬结束，探测器将恢复与地面的通信，继续开展科学探测。

Images and visuals are from CNSA- China National Space Administration also from there respectives..