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Europa drill on BBC website
Earl Colby Pottinger wrote:
You know this sounds like a perfect probe to design and test on that ultra-salty lake that is buried under a couple kilometers of ice. One problem they stated was that they don't want to simply drill down to it because they could introduce extra items into the lake thru the hole. A melting probe could be make pre-cleaned and would seal it's hole behind itself, and if it brings back a sample the surface recovery mode could also be tested. I believe that was covered by More details, and discussion of Lake Validivostok in the rest of the article. Howewver, there wasn't really much status about that, and since I finally ready the SciAm '99 article on Europa, I am much curious. /dps |
#12
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Europa drill on BBC website
Parallax wrote:
The ELF method is a non starter as the data transmission rates are waaaaaaay to low. When used for transmission to deep submarines, the transmission rates were no more than a few characters/sec. Do the calculations and you see the problems. And is a 'recieve-only' arrangement for those subs. If a reply was necessary, sticking a VHF/UHF antenna above water is still required. Obviously even less of an option under Europan ice than under Arctic ice... -- You know what to remove, to reply.... |
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