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 18:26:55 +0000 From: john larkin Newsgroups: sci.electronics.design Subject: Re: Expedition to Europa Date: Sat, 29 Jun 2024 11:26:56 -0700 Message-ID: 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: 56 X-Trace: sv3-DPSfK13To11gYUHClL9LWkhVkuWuux2djNBl/qb5UCQ1irv6mnCN1AekN8PJ08wlDaHne06yg1hsisp!9WEV8LPlfBGp8gBDuOofQWPGgO1AF0tfLTXzX+ikf70nL3UJZpf8JjDw+UsHNIkmvhPr7kM55qw5!/j5+Sw== 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: 3540 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. A very advanced robot might.