Author Topic: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)  (Read 200166 times)

Offline Galactic Penguin SST

Well, 'around' December.
The mass of the whole spacecraft was reported to be 8.2 tonnes.
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Offline Nordren

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #61 on: 01/22/2017 10:15 pm »
Chang'e-5 to launch in late November (Xinhua).

Offline Blackstar

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #62 on: 01/23/2017 05:52 pm »
Repeating the November story:

http://gbtimes.com/china/china-attempt-moon-sample-return-mission-november

Should this thread migrate over to the science thread? After all, China's space science accomplishments are now increasingly in the same league as those of NASA and ESA.

Offline russianhalo117

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #63 on: 01/23/2017 06:23 pm »
Repeating the November story:

http://gbtimes.com/china/china-attempt-moon-sample-return-mission-november

Should this thread migrate over to the science thread? After all, China's space science accomplishments are now increasingly in the same league as those of NASA and ESA.
probably, but tell Satori or Chris (et cetera) so that the move will occur properly.

Offline Blackstar

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #64 on: 01/23/2017 06:26 pm »
Well, I thought that maybe the people reading and posting to this thread might have some views about whether it should move, and they should sound off before the hand of god steps in and simply makes a move.

I have issues with everything being classified by "launchers" anyway, since a lot of what China is doing is best categorized in other ways, not simply because of the rockets.

Offline russianhalo117

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #65 on: 01/23/2017 06:32 pm »
Well, I thought that maybe the people reading and posting to this thread might have some views about whether it should move, and they should sound off before the hand of god steps in and simply makes a move.

I have issues with everything being classified by "launchers" anyway, since a lot of what China is doing is best categorized in other ways, not simply because of the rockets.
I feel that all satellites after completion of ETOPs phase should move to the satellites section.

Offline Bynaus

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #66 on: 01/23/2017 06:49 pm »
Quote
Should this thread migrate over to the science thread? After all, China's space science accomplishments are now increasingly in the same league as those of NASA and ESA.

I do not want to belittle the achievements of the Chang'E missions in any way, they are very impressive and yes, they are certainly catching up with NASA/ESA - but it seems to me that these missions are still rather achievement driven, not science driven. Its about landing, sampling and returning - WHAT is being sampled is secondary. In that sense, its rather about engineering than about science. You can also see that from the fact that the missions were announced long before the target regions were (perhaps the most science driven mission is Chang'E 4, but even that one is now targeted at achieving a "first", i.e.., the first landing - ever - on the far side). So in that sense, I guess this is the right sub-forum. That said, I agree, "launchers" doesn't quite cut it.
« Last Edit: 01/23/2017 06:50 pm by Bynaus »
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Offline baldusi

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #67 on: 01/23/2017 08:32 pm »
Won't they be sampling the Atkins Basin? That's probably terrific science.

Offline savuporo

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #68 on: 01/23/2017 11:00 pm »
I do not want to belittle the achievements of the Chang'E missions in any way, they are very impressive and yes, they are certainly catching up with NASA/ESA - but it seems to me that these missions are still rather achievement driven, not science driven.
Being engineering rather than science driven is a compliment, not belittling.
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Offline Blackstar

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #69 on: 01/24/2017 12:40 am »
You can also see that from the fact that the missions were announced long before the target regions were

NASA does the same with Mars rovers--approves the mission long before choosing landing sites.

Offline Steven Pietrobon

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #70 on: 01/24/2017 04:20 am »
My preference is to leave this thread here as this is a short term mission, ranging from one to three weeks.
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Offline vjkane

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #71 on: 01/24/2017 03:17 pm »
My preference is to leave this thread here as this is a short term mission, ranging from one to three weeks.
If NASA approves its own sample return mission, it will be of a similarly short duration.  But I don't think it will be covered under US launch vehicles in this forum.

Offline Blackstar

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #72 on: 01/24/2017 06:45 pm »
Also, you don't judge the value of sample return by the duration of the mission to collect the sample. You judge its value first and foremost by the quality of the samples. But if you are going to make a judgment based upon time, it should be based upon the duration of the sample analysis--it only takes a short time to pick the stuff up, but years to analyze it. In fact, the best Apollo sample analysis is being done today, four and a half decades after the samples were returned.
« Last Edit: 01/24/2017 06:49 pm by Blackstar »

Online Satori

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #73 on: 01/24/2017 07:22 pm »
My preference is to leave this thread here as this is a short term mission, ranging from one to three weeks.
If NASA approves its own sample return mission, it will be of a similarly short duration.  But I don't think it will be covered under US launch vehicles in this forum.

The mission will be covered on the Chinese section before launch, then moved to the Live Coverage section for launch and then the scientific mission will possibly be moved to the Space Science Coverage section.

Offline Lar

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #74 on: 01/24/2017 10:58 pm »
My preference is to leave this thread here as this is a short term mission, ranging from one to three weeks.
If NASA approves its own sample return mission, it will be of a similarly short duration.  But I don't think it will be covered under US launch vehicles in this forum.

The mission will be covered on the Chinese section before launch, then moved to the Live Coverage section for launch and then the scientific mission will possibly be moved to the Space Science Coverage section.

Also for those that think things might not be organized correctly, we have a forum section to discuss that. How to categorize and subdivide things is always a fun topic to discuss, and there is no one right answer,  but if improvements are possible thrashing it out there will be goodness.

The feedback thread is a good place to start, I think, but if it spawns a lot of discussion ... (wait for it) we'll fork a thread.
http://forum.nasaspaceflight.com/index.php?topic=32793
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Offline MATTBLAK

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #75 on: 01/24/2017 11:12 pm »
I'm looking forward to this historic and excellent mission. Lunar Exploration is too much on the back burner. I hope it helps inspire the concept of further manned missions someday.
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Offline savuporo

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #76 on: 01/25/2017 04:34 am »
I'm looking forward to this historic and excellent mission. Lunar Exploration is too much on the back burner. I hope it helps inspire the concept of further manned missions someday.

Lunar exploration is not exactly on back burner. Just in last decade

ESA SMART-1 2004
JAXA Selene  2007
CNSA Chang'e-1 2007
ISRO Chandrayaan-1 2008
NASA LRO/LCROSS 2009
CNSA Change-2 2010
NASA Artemis 2011
NASA GRAIL 2012
NASA LADEE 2013
CNSA Change-3 2013
CNSA Change-5-T1 2014

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Offline MATTBLAK

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #77 on: 01/25/2017 05:44 am »
Those are good missions - but I guess I'll clarify my statement by saying that I wish there were more rovers and particularly landers and rovers on the Farside and poles - and human crews, too! ;)
« Last Edit: 01/25/2017 05:45 am by MATTBLAK »
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Offline Bynaus

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #78 on: 01/25/2017 11:28 am »
Won't they be sampling the Atkins Basin? That's probably terrific science.

You mean the South-Pole Aitken Basin (SPA)? That would indeed be terrific. However, for Chang'E 5, AFAIK the target is sample return from the near side, probably Bay of Rainbows (Sinus Iridium) again. But the SPA is a potential target for Change'E 4 and 6.h
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Offline Phil Stooke

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Re: Chang'e-5 - CZ-5 - Wenchang - November 23, 2020 (20:30 UTC)
« Reply #79 on: 01/25/2017 05:49 pm »
My understanding at present is that the CE5 site is probably in NE Oceanus Procellarum, probably in one of several 'young' lava flows - erupted around 2 billion years ago, maybe, much younger than Apollo samples.  There are several potential young flows mapped out by crater density studies, including SW of Aristarchus.  I hope LPSC in March will include something about this.

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