Path: ...!local-4.nntp.ord.giganews.com!Xl.tags.giganews.com!local-2.nntp.ord.giganews.com!news.giganews.com.POSTED!not-for-mail NNTP-Posting-Date: Sat, 29 Jun 2024 15:35:48 +0000 From: Joe Gwinn Newsgroups: sci.electronics.design Subject: Re: Expedition to Europa Date: Sat, 29 Jun 2024 11:35:47 -0400 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: 46 X-Usenet-Provider: http://www.giganews.com X-Trace: sv3-tCpzqZbyQ3ysgu/p66hT33O5MQDw3Pz+hNRsJonHSSw7jytxYhMoTHXTTJBZRD3QYy65V3JUny3eAyg!CAcqF8yp48tJFHzG337SDVu95Hggu0oUB1uw+76rrpRBmfwC87BMtO51E4hkTBQxZYFvdg4= X-Complaints-To: abuse@giganews.com X-DMCA-Notifications: http://www.giganews.com/info/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: 3181 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