Path: ...!weretis.net!feeder8.news.weretis.net!newsfeed.xs3.de!nntp-feed.chiark.greenend.org.uk!ewrotcd!news.eyrie.org!beagle.ediacara.org!.POSTED.beagle.ediacara.org!not-for-mail From: Ernest Major <{$to$}@meden.demon.co.uk> Newsgroups: talk.origins Subject: Re: Enough liquid water on Mars to cover the surface to a depth of 1 mile Date: Wed, 21 Aug 2024 22:16:13 +0100 Organization: A noiseless patient Spider Lines: 17 Sender: to%beagle.ediacara.org Approved: moderator@beagle.ediacara.org Message-ID: References: Reply-To: {$to$}@meden.demon.co.uk MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Info: beagle.ediacara.org; posting-host="beagle.ediacara.org:3.132.105.89"; logging-data="48204"; mail-complaints-to="usenet@beagle.ediacara.org" User-Agent: Mozilla Thunderbird To: talk-origins@moderators.isc.org Cancel-Lock: sha1:kI9WxjAU3VYKwgfM5YdKbSPc3lw= Return-Path: X-Original-To: talk-origins@ediacara.org Delivered-To: talk-origins@ediacara.org id 9C79522986F; Wed, 21 Aug 2024 17:16:19 -0400 (EDT) by beagle.ediacara.org (Postfix) with ESMTP id 7D33222978C for ; Wed, 21 Aug 2024 17:16:17 -0400 (EDT) id 3CB4B5DC29; Wed, 21 Aug 2024 21:16:17 +0000 (UTC) Delivered-To: talk-origins@moderators.isc.org by mod-relay-1.kamens.us (Postfix) with ESMTPS id 1BC435DC26 for ; Wed, 21 Aug 2024 21:16:17 +0000 (UTC) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256)) (No client certificate requested) by smtp.eternal-september.org (Postfix) with ESMTPS id 029CF5F83D for ; Wed, 21 Aug 2024 21:16:14 +0000 (UTC) Authentication-Results: name/029CF5F83D; dmarc=none (p=none dis=none) header.from=meden.demon.co.uk id 8A0B1DC01A9; Wed, 21 Aug 2024 23:16:14 +0200 (CEST) X-Injection-Date: Wed, 21 Aug 2024 23:16:14 +0200 (CEST) X-Auth-Sender: U2FsdGVkX18b9mRsk2ssJO//CQIc5ZHml1PJv8T0wuz376f0iXG2BBkrE5LVC5MLigl2rAzI5lLrPw/sD7Dtow== Content-Language: en-GB In-Reply-To: FORGED_MUA_MOZILLA,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED,RCVD_IN_VALIDITY_RPBL_BLOCKED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 smtp.eternal-september.org Bytes: 3363 On 20/08/2024 21:22, William Hyde wrote: > > In fact, if CO2 is the main greenhouse gas, the amount require to make > Mars habitable also makes it uninhabitable. Nor can any such atmosphere > hold enough H2O to matter.  Vast amounts of some neutral, stable, GHG > are required. ArNe2 would be perfect, if only it existed. CFCs possibly, > though they do eventually break down. WikiPedia tells me that ArNe2 does exist; at 4K. I'd worry about what making it stable at room temperature would do to the rest of chemistry, but if one assumes that the rest of chemistry is unchanged then the next question that comes to mind is whether ArNe2 is an anaesthetic like several of the inert gases are. -- alias Ernest Major