From lojban+bncCNTPpI2KGxDhwp7iBBoEwrdOrQ@googlegroups.com Wed Jul 21 18:40:05 2010 Received: from mail-yx0-f189.google.com ([209.85.213.189]) by chain.digitalkingdom.org with esmtp (Exim 4.72) (envelope-from ) id 1ObklV-0008Ho-6l; Wed, 21 Jul 2010 18:40:04 -0700 Received: by yxj4 with SMTP id 4sf15038676yxj.16 for ; Wed, 21 Jul 2010 18:39:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlegroups.com; s=beta; h=domainkey-signature:received:x-beenthere:received:received:received :received:received-spf:x-authority-analysis:x-cloudmark-score :x-originating-ip:received:received:from:to:subject:date:user-agent :references:in-reply-to:mime-version:message-id:x-original-sender :x-original-authentication-results:reply-to:precedence:mailing-list :list-id:list-post:list-help:list-archive:sender:list-subscribe :list-unsubscribe:content-type:content-disposition; bh=BMvF1FHkd3nNXSxdY0gs4W+tI8IAlNNiZDbmt6XkYzE=; b=xmKxzpdnF4NRFcjqHT7FjFb5GNqY4tGIbnOOS3NicljcwRijZm4qk6AXib3SItuupR c4xcSEWaq0CgUvduXVEE3dVpa8OrtumtCj1ci40LSYGviUCajfJHky7Wk2WVXxUwOkgS scWzjIMqBc6CKeJnKP4VSTw/bMHKn3JiICS6E= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlegroups.com; s=beta; h=x-beenthere:received-spf:x-authority-analysis:x-cloudmark-score :x-originating-ip:from:to:subject:date:user-agent:references :in-reply-to:mime-version:message-id:x-original-sender :x-original-authentication-results:reply-to:precedence:mailing-list :list-id:list-post:list-help:list-archive:sender:list-subscribe :list-unsubscribe:content-type:content-disposition; b=LKda0an3mUSjhEOAcE0QUR2XFqksZAyVr7Ol6JaCegqYhFyQnduaMMmpAp/UH9uNYb JYt8A4wA9cjonm7QctO8UlXi7iaklcRmhULaSTgfZ0IAWv2s0G31jaICJhk0ywxpzH4+ gZwWLgnLrtTHkERCkkM6ua9IzDeM4Q7NgiIjo= Received: by 10.90.79.15 with SMTP id c15mr488506agb.56.1279762785736; Wed, 21 Jul 2010 18:39:45 -0700 (PDT) X-BeenThere: lojban@googlegroups.com Received: by 10.231.149.4 with SMTP id r4ls4209579ibv.2.p; Wed, 21 Jul 2010 18:39:44 -0700 (PDT) Received: by 10.231.35.195 with SMTP id q3mr141954ibd.6.1279762784068; Wed, 21 Jul 2010 18:39:44 -0700 (PDT) Received: by 10.231.35.195 with SMTP id q3mr141953ibd.6.1279762784033; Wed, 21 Jul 2010 18:39:44 -0700 (PDT) Received: from cdptpa-omtalb.mail.rr.com (cdptpa-omtalb.mail.rr.com [75.180.132.120]) by gmr-mx.google.com with ESMTP id z11si5874402ibb.4.2010.07.21.18.39.43; Wed, 21 Jul 2010 18:39:43 -0700 (PDT) Received-SPF: neutral (google.com: 75.180.132.120 is neither permitted nor denied by best guess record for domain of phma@phma.optus.nu) client-ip=75.180.132.120; X-Authority-Analysis: v=1.0 c=1 a=f3wYcKxqQrgA:10 a=ORa4HqFjfvEA:10 a=Q9fys5e9bTEA:10 a=EtI4fCqViiAU4TsefzYA:9 a=1NK3To2aore6i-uhEq4A:7 a=bDdxxK6hdrcplc9WYGZXwiZQkroA:4 a=PUjeQqilurYA:10 X-Cloudmark-Score: 0 X-Originating-IP: 71.71.198.100 Received: from [71.71.198.100] ([71.71.198.100:45255] helo=chausie) by cdptpa-oedge01.mail.rr.com (envelope-from ) (ecelerity 2.2.2.39 r()) with ESMTP id CE/B8-04655-F51A74C4; Thu, 22 Jul 2010 01:39:43 +0000 Received: from localhost (localhost [127.0.0.1]) by chausie (Postfix) with ESMTP id 10D262C71 for ; Wed, 21 Jul 2010 21:31:15 -0400 (EDT) From: Pierre Abbat To: lojban@googlegroups.com Subject: Re: [lojban] Re: Lojban Kids Show - location Date: Wed, 21 Jul 2010 21:31:12 -0400 User-Agent: KMail/1.9.6 (enterprise 0.20070907.709405) References: <3c4ace6b-a18e-4306-a2b1-8cef523e20f3@u36g2000prg.googlegroups.com> In-Reply-To: MIME-Version: 1.0 Message-Id: <201007212131.13536.phma@phma.optus.nu> X-Original-Sender: phma@phma.optus.nu X-Original-Authentication-Results: gmr-mx.google.com; spf=neutral (google.com: 75.180.132.120 is neither permitted nor denied by best guess record for domain of phma@phma.optus.nu) smtp.mail=phma@phma.optus.nu Reply-To: lojban@googlegroups.com Precedence: list Mailing-list: list lojban@googlegroups.com; contact lojban+owners@googlegroups.com List-ID: List-Post: , List-Help: , List-Archive: Sender: lojban@googlegroups.com List-Subscribe: , List-Unsubscribe: , Content-Type: text/plain; charset=ISO-8859-1 Content-Disposition: inline On Wednesday 21 July 2010 17:28:20 CosmicRay wrote: > L1 Pros: > Closest to Earth, only 5.1ish seconds for Earth-Lojgugde comms > Great place to hide the station in "plain sight" > Relatively debris-free > In the story, the solar panels in the sea around the Lojgugde Earth station > double up as a Very Large Array radio telescope. They point at the Sun > during the day for their solar energy collecting mode, and don't have to > change orientation to check on Lojgugde in their telescope mode. At night > they can orient in various directions to scan the outer reaches of the > solar system for incoming potential dangers to Lojgugde. They may, > however, each have to be able to physically change shape into a parabolic > dish with a pop-up feedhorn to switch mode. Still, I think the idea's > cool. > > L1 Cons: > Unstable, most energy to maintain position > Doesn't get the best view of the cosmos vs L2 (we could put a science > observation station at L2 that doesn't rely on solar energy, nuclear fusion > perhaps?) > > L4/L5 Pros: > Stable gravity bowl, least energy to maintain position > Gravity bowl allows for asteroids to be kept near the station during mining > > L4/L5 Cons: > Distant from Earth, around 8 minutes for Earth-Lojgugde comms > Gravity bowl means potentially plenty of random debris, might be a recipe > for disaster Location might attract more attention from Earth-based > scientists, be easier to spot with standard 'scopes, and generally less > secret if Lojgugde is to be hidden from the masses > > Anyone want to add to those before a decision for the show is finalised? I vote for the Earth-Moon L4 or L5. I don't care which, lo drata cu muvdu .i lo se drata cu klama fu zi'o. They're more stable than Sun-Earth L1 and closer. Pierre -- li fi'u vu'u fi'u fi'u du li pa -- You received this message because you are subscribed to the Google Groups "lojban" group. To post to this group, send email to lojban@googlegroups.com. To unsubscribe from this group, send email to lojban+unsubscribe@googlegroups.com. For more options, visit this group at http://groups.google.com/group/lojban?hl=en.