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The Chinese plan on beating NASA and or ESA in getting the first sample back from Mars.
'So, NASA plans to use "birdies" (as backups) to collect Mars samples, while China would probably unleash a "puppy" to do the job. Interesting.
https://twitter.com/CNSpaceflight/statu … 2787060736
Good to hear no additional rover is needed in NASA/ESA's updated plan.'
Chinese language article
Tianwen3
https://www.memeta.co/article/3pm3i_46b3b.html
Mars sample-return mission might be called Tianwen-3.
https://www.space.com/china-tianwen2-as … 025-launch
France has worked on its on independent sample return ideas while Japan has also shown interest in participating in an international Mars sample-return mission but their focus remains on the Mars Moons.
The International Committee Against Mars Sample Return (ICAMSR) is an advocacy group led by Barry DiGregorio, that campaigns against a Mars sample-return mission, However biohazard testing at the International Space Station before the samples are brought to Earth could be an ok idea. Yet from online discussion I read it is possible some groups like this believe bringing something back from Mars will release a zombie andromeda strain style apocalypse.
Some more rational people believe a Chinese 2028 launch, ascent vehicle on and an orbiter and return module launched separately on a Long March 3B. Samples would be returned to Earth in July 2031
https://spacenews.com/china-aims-to-bri … a-mission/
'NASA Will Inspire World When It Returns Mars Samples to Earth in 2033'
https://www.jpl.nasa.gov/news/nasa-will … th-in-2033
There seems to be some confusion in the media over Tianwen 2 and Tianwen 3, one is perhaps an asteroid mission and the other Mars sample return mission. Tianwen 3 could have a small rover to fetch loose rocks - a dog-like legged rover is illustrated though other configurations may be more feasible.
Spanish language article.
https://danielmarin.naukas.com/2022/06/ … e-cercano/
Chinese language video
Ascent vehicle will consist of two stages, using either solid or liquid propulsion & required to reach a speed of 4.5 kilometers per second, according to the presentation.
https://www.koushare.com/lives/room/812404
I believe they may be using Tianwen-1 to enter lower orbits and test aero-breaking for future Mars missions.
the video above is by Sun Zezhou, chief designer of Tianwen-1
Last edited by Mars_B4_Moon (2022-07-27 16:00:02)
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For Mars_B4_Moon ... best wishes for success with this promising looking new topic!
(th)
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