Author Topic: LIVE: Chang'e-3 lunar probe and rover Lunar Landing December 14, 2013  (Read 457489 times)

Offline Galactic Penguin SST

Hmm.....this report is claiming that the rover is "showing signs of activity"! Xinhua News is the source for it so.......  8)

Chinese spaceflight is a cosmic riddle wrapped in a galactic mystery inside an orbital enigma... - (not) Winston Churchill

Offline Lsquirrel

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Official Xinhuanet:
http://t.home.news.cn/p/t/30849664_0000014425bd531400d2955d22704526

Xinhuanet on Tencent Weibo:
http://t.qq.com/p/t/362386008552526

【情况趋好,再等等——玉兔有望再传音讯】一位正在抢救小兔子的嫦娥三号任务核心人员刚才用嘶哑的声音、兴奋的语调告诉记者:“小兔子情况趋好,有点再醒的迹象,再等等。”这是自上月25日玉兔进入月夜以来记者第一次听到积极消息。小兔子,加油!师傅们,你们辛苦了!记者余晓洁

« Last Edit: 02/12/2014 01:36 PM by Lsquirrel »

Offline Svetoslav

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OK, China Space Facebook page reports : Yutu is alive.

Apparently, rover's death has been announced too soon and this is what they say

https://www.facebook.com/ChinaSpace?fref=ts

Official news: Yutu is still alive. Mission control is busy working on it. Please give them more time.

The mission control called it too soon before the lunar night. Now, there are positive signs. They don't want to make that mistake again. So they are being cautious about reporting anything.

Even though there are positive signs, don't get your hope too high though. Yutu is not going be as functional as before. The real end may not be far.

Offline Satori

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Those are encouraging news.

Offline Satori

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And what is the state of Chang'e-3?

Offline Svetoslav

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And what is the state of Chang'e-3?

https://twitter.com/uhf_satcom

Chang'e'3 YUTU lander is alive! Xband signals detected from moon and also EME reflection of Chinese TTC uplink on 7.2GHz - pics to follow!

Offline Svetoslav

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https://twitter.com/uhf_satcom

Yutu signal is "pretty good"

Offline plutogno

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Online meekGee

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The Rabbit!  Still, it lives!
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Offline NovaSilisko

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Hooray! I now will be referring to Yutu as a zombie rabbit, and taking my premature declaration of its demise being wrong like a man.

Offline Blackstar

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Offline Blackstar

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Offline Blackstar

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The above slides as a single pdf.

Offline Lar

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The above slides as a single pdf.
Thanks a bunch for those, Blackstar! Who presented those?
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Offline Blackstar

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The above slides as a single pdf.
Thanks a bunch for those, Blackstar! Who presented those?

I don't know offhand. They were just presented at a big meeting in Europe in the past day or so.
« Last Edit: 02/12/2014 11:48 PM by Blackstar »

Offline Artyom.

Good news! Thanks :).

And from Xinhua:

China's lunar rover "awakes" despite abnormality: spokesman


China's moon rover Yutu has waken up from a troubled dormancy although experts are still trying to figure out the cause of its abnormality, a spokesman with the country's lunar probe program said on Thursday.

"Yutu has come back to life!" said Pei Zhaoyu, the spokesperson.

Pei said the moon rover, named after the pet of a lunar goddess in ancient Chinese mythology, has now been restored to its normal signal reception function. But experts are still working to verify the causes of its mechanical control abnormality.

The abnormality emerged before Yutu entered its second dormancy on the moon on Jan. 25 as the lunar night fell.

"Yutu went into sleep under an abnormal status," Pei said , adding that experts were initially concerned that it might not be able to survive the extremely low temperatures during the lunar night.

"The rover stands a chance of being saved now that it is still alive," he said.

http://news.xinhuanet.com/english/sci/2014-02/13/c_133111548.htm
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Offline robertross

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The above slides as a single pdf.

thank you!
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Offline Steven Pietrobon

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Thanks very much Blackstar for posting the pdf. Can anyone translate the labels on this radar plot?

One of the interesting science questions is how thick the high titanium dioxide (TiO_2 at 6%) and high iron oxide (FeO at 17%) basalt that Chang'e landed on, which lies on top of the low Ti (2%) and low Fe (16%) basalt to the north. In a previous paper using satellite data, the Chinese estimated the thickness at less than 70 metres.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Lsquirrel

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Thanks very much Blackstar for posting the pdf. Can anyone translate the labels on this radar plot?

One of the interesting science questions is how thick the high titanium dioxide (TiO_2 at 6%) and high iron oxide (FeO at 17%) basalt that Chang'e landed on, which lies on top of the low Ti (2%) and low Fe (16%) basalt to the north. In a previous paper using satellite data, the Chinese estimated the thickness at less than 70 metres.
the labels on this radar plot?

vertical lable is NanoSecond(ns),horizontal lable is "number of channels"

Offline lllzh

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Thanks very much Blackstar for posting the pdf. Can anyone translate the labels on this radar plot?

One of the interesting science questions is how thick the high titanium dioxide (TiO_2 at 6%) and high iron oxide (FeO at 17%) basalt that Chang'e landed on, which lies on top of the low Ti (2%) and low Fe (16%) basalt to the north. In a previous paper using satellite data, the Chinese estimated the thickness at less than 70 metres.
the labels on this radar plot?

vertical lable is NanoSecond(ns),horizontal lable is "number of channels"

There are two horizontal axis labels, the one on top is "number of channels", the one below is "meters".

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