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This is a simulated docking test from a few years back. China has performed rendezvous & docking in low Earth orbit between Tiangong and Shenzhou & Tianzhou spacecraft, but this time is 380,000 km away & light delay. A big challenge.pic.twitter.com/XXpXyGrUZk
The samples will then transfer from ascent module to reentry vehicle. The service module remains for 6 days in lunar orbit before starting the 112-hour journey back home. The reentry vehicle separates 5,000 km from Earth for a skip reentry.pic.twitter.com/HYiMvzePdK
The landing site will be Siziwang Banner, Inner Mongolia sometime Dec 15-16. The sealed samples will then be transferred to a lunar sample lab in Beijing for processing, analysis and storage.pic.twitter.com/PBZDaWfJJc
In terms of science, the geologically 'young' samples CE-5 aims to grab will give insight into the evolution of the Moon how recently it was geologically active. Was there volcanism much more recently than previously thought? 1971 image of Mons Rümker from Apollo 15 astronautspic.twitter.com/k92DnIcPsA
Why is this area, named Procellarum-KREEP Terrane, rich in radioactive elements? Did that play a role in late-stage volcanism?
There is a backup to Chang'e-5 if anything goes wrong. CE-6 was manufactured at the same time. It will provide another shot at this complex mission if anything goes wrong. And if it succeeds, CE-6 can make an even more ambitious landing at the lunar south pole.
This is a neat rendering of hypersonic reentry I hadn’t seen, but they put the chyron in a terrible spot!
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