Path: ...!Xl.tags.giganews.com!local-2.nntp.ord.giganews.com!nntp.supernews.com!news.supernews.com.POSTED!not-for-mail NNTP-Posting-Date: Sat, 29 Jun 2024 21:45:25 +0000 From: john larkin Newsgroups: sci.electronics.design Subject: Re: Expedition to Europa Date: Sat, 29 Jun 2024 14:45:26 -0700 Message-ID: <92018j574uvccf1r14g9tpaj1osktf7i2g@4ax.com> References: <63br7jpf7le468rnljlfhaol4432dt70lq@4ax.com> <667f96cb$0$2873004$882e4bbb@reader.netnews.com> User-Agent: ForteAgent/8.00.32.1272 MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Lines: 78 X-Trace: sv3-sLDhkrjM0GbAtliurWNNn2IrauuqtND6J1/wI4b/ZgPgCg6C2R7zt17X73vLxHebQuulTY5MS1pvMcu!x3bIMmHBLeAEXT/OfbRgDQEv75L3NaI17Q4ppGmpeXs+8gOk8+V/IdruP596QY8Nfi+8hgm10Dwg!47+NNA== X-Complaints-To: www.supernews.com/docs/abuse.html X-DMCA-Complaints-To: www.supernews.com/docs/dmca.html X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 Bytes: 4373 On Sat, 29 Jun 2024 17:41:14 -0400, Joe Gwinn wrote: >On Sat, 29 Jun 2024 11:26:56 -0700, john larkin > wrote: > >>On Sat, 29 Jun 2024 11:35:47 -0400, Joe Gwinn >>wrote: >> >>>On Sat, 29 Jun 2024 04:04:11 -0700, Don Y >>> wrote: >>> >>>>On 6/28/2024 10:08 PM, bitrex wrote: >>>>> On 6/27/2024 5:17 PM, Don Y wrote: >>>>> >>>>>>> Most big librarys carry AW. >>>>>>> >>>>>>> . >>>>>>> >>>>>>> If it turns out that there is life in the ocean of Europa, which has >>>>>>> existed for something like four billion years, it supports the general >>>>>>> idea of "random but inevitable" theories of Abiogenesis. >>>>>> >>>>>> _Remembrance of Earth's Past_ has an interesting take on the whole >>>>>> notion behind an "empty" universe.  It's a tedious read (mainly for >>>>>> me coming from a non-chinese culture... just keeping track of the >>>>>> characters is difficult) but has some good ideas to chew on at its core. >>>>> >>>>> My guess: The Universe is mammoth, the technological and energy requirements of >>>>> even short-distance interstellar travel are immense, the lifespan of >>>>> technological civilizations is highly time-limited before such a civilization >>>>> destroys itself, technological civilizations are very rare to begin with, and >>>>> no technological civilization ever survives long enough to attempt it. >>>> >>>>That wouldn't explain why there are no *signs* of intelligent life. >>>> >>>>*We* can't (yet) travel interstellar distances in single lifetimes >>>>but I'm sure anyone with technology comparable to ours would be able to >>>>*detect* our presence (given that we seem to make no attempt at "hiding") >>>> >>>>_If the Universe Is Teeming with Aliens ... WHERE IS EVERYBODY?_ gives some >>>>interesting takes on the Fermi paradox. >>> >>>That's a bit self-important. >>> >>>If the universe is teaming with life, but alien civilizations capable >>>of interstellar travel are exceedingly rare, there would be little >>>reason for those spacefaring aliens to visit any but the other >>>advanced alien civilizations. >>> >>>We might get the equivalent of an anthropologist ever few million >>>year, and they would do whatever needed to prevent detection by that >>>which they study. >>> >>>Joe Gwinn >> >>An intelligent alien lifeform is probably thousands of light-years >>away. Unless they have a Warp Drive, there's no way they would want to >>visit us. > >The claim being made was that because we were not seeing any >intelligent aliens, they must not exist, or are very rare. Which does >not follow. > > >>A very advanced robot might. > >Even if they do have warp drives, they may still send a robot. > >But given the technological gulf between Earthlings and any >civilization possessing any warp drive, we won't detect them unless >they want us to. > > >Joe Gwinn I think that life on Earth is someone's high school science project.