Mission: Hayabusa 2 |
Mission: Hayabusa 2 |
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#901
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Junior Member ![]() ![]() Group: Members Posts: 58 Joined: 17-September 06 Member No.: 1150 ![]() |
JAXA wants to continue with Hayabusa 2. However there is/was a huge fight about the budget. Main problem was the budget for the launch vehicle. 2 months ago or so there was a report which said, that JAXA had to find another launch vehicle or the project gets cancelled. Now the Italian space agency played saviour and overed the VEGA. So finally we might see another Hayabusa in 2011.
It was mentioned here: http://www.jspec.jaxa.jp/080110Final_IPEWG-ProgramBook.pdf |
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#902
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![]() Merciless Robot ![]() ![]() ![]() ![]() Group: Admin Posts: 8784 Joined: 8-December 05 From: Los Angeles Member No.: 602 ![]() |
I wonder if that's TOTAL total, or just the yield from sample chamber A? I would guess the latter.
-------------------- A few will take this knowledge and use this power of a dream realized as a force for change, an impetus for further discovery to make less ancient dreams real.
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#903
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Member ![]() ![]() ![]() Group: Members Posts: 436 Joined: 14-December 15 Member No.: 7860 ![]() |
I wonder if that's TOTAL total, or just the yield from sample chamber A? I would guess the latter. According to this JAXA website - https://fanfun.jaxa.jp/topics/detail/17721.html : about 5.4 grams is the sample as a whole from "Sample Catcher" (chambers A+B+C) - calculated from the weight difference of the whole „Sample Catcher” before flight and after return. So: 5.4 g includes: - sample in chamber A (from the first touchdown) - opened and photographed (not yet weighed) - possible sample in chamber B - not yet opened (possibly from the second touchdown) - possible sample in chamber C - not yet opened (rather, it should be empty). 5.4 g does not include an unknown amount of sample (not yet weighed) found at the bottom of Sample Container after removing the „Sample Catcher” - photographed (black „sand”). This sample was unexpected there (?) and is „a bonus”. Thus, according to JAXA's calculations so far, no matter how much (or at all) there is material in the chambers B and C, the total weight of the samples from Ryugu is 5.4 g + an unknown (but small) amount from the bottom of the container. (Well, unless there is a numerical error in JAXA's information. But it has been repeated in several places on the official JAXA sites) In addition, an unknown amount of gas was also collected, coming (most likely) from the degassing of the sample. This gas was collected twice - in Australia and for the second time in Japan, which proves that it was still produced during the capsule transport. And as the capsule turned out to be well sealed, the gas probably comes from the sample itself and is emitted due to the heat prevailing in Earth's conditions (?) - http://www.isas.jaxa.jp/en/topics/002523.html PS. As the mission Hayabusa2 assumed the minimum amount of sampled material as 0.1 grams, therefore 5.4+ grams means success of the mission - https://twitter.com/haya2e_jaxa/status/1339811691681308673 |
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