Deutsch English Français Italiano |
<vaju6r$2sv5c$2@dont-email.me> View for Bookmarking (what is this?) Look up another Usenet article |
Path: ...!feeds.phibee-telecom.net!weretis.net!feeder8.news.weretis.net!newsfeed.xs3.de!nntp-feed.chiark.greenend.org.uk!ewrotcd!news.eyrie.org!beagle.ediacara.org!.POSTED.beagle.ediacara.org!not-for-mail From: Ernest Major <{$to$}@meden.demon.co.uk> Newsgroups: talk.origins Subject: Re: New SETI search Date: Tue, 27 Aug 2024 08:11:23 +0100 Organization: A noiseless patient Spider Lines: 16 Sender: to%beagle.ediacara.org Approved: moderator@beagle.ediacara.org Message-ID: <vaju6r$2sv5c$2@dont-email.me> References: <vaj062$2kr3d$1@dont-email.me> <menqcj1270ta8rjtmasodqi5nkier8rnhl@4ax.com> Reply-To: {$to$}@meden.demon.co.uk MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: beagle.ediacara.org; posting-host="beagle.ediacara.org:3.132.105.89"; logging-data="47127"; mail-complaints-to="usenet@beagle.ediacara.org" User-Agent: Mozilla Thunderbird To: talk-origins@moderators.isc.org Cancel-Lock: sha1:nyt1dUN7dekwraHFDTLOfW136+s= Return-Path: <news@eternal-september.org> X-Original-To: talk-origins@ediacara.org Delivered-To: talk-origins@ediacara.org id A0A8E22986F; Tue, 27 Aug 2024 03:11:27 -0400 (EDT) by beagle.ediacara.org (Postfix) with ESMTPS id 83E1222978C for <talk-origins@ediacara.org>; Tue, 27 Aug 2024 03:11:25 -0400 (EDT) id 96BE3872B4; Tue, 27 Aug 2024 03:11:28 -0400 (EDT) Delivered-To: talk-origins@moderators.isc.org by mod-relay.zaccari.net (Postfix) with ESMTPS id 6C2BA7FC26 for <talk-origins@moderators.isc.org>; Tue, 27 Aug 2024 03:11:28 -0400 (EDT) DKIM-Filter: OpenDKIM Filter v2.11.0 mod-relay.zaccari.net 6C2BA7FC26 (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 D3BB15F84A for <talk-origins@moderators.isc.org>; Tue, 27 Aug 2024 07:11:24 +0000 (UTC) Authentication-Results: name/D3BB15F84A; dmarc=none (p=none dis=none) header.from=meden.demon.co.uk id 6668EDC01A9; Tue, 27 Aug 2024 09:11:24 +0200 (CEST) X-Injection-Date: Tue, 27 Aug 2024 09:11:24 +0200 (CEST) In-Reply-To: <menqcj1270ta8rjtmasodqi5nkier8rnhl@4ax.com> Content-Language: en-GB X-Auth-Sender: U2FsdGVkX1+GGtguxMJDmWVcPfVxZljuA58CSy0Dhs9TPKY8DENhxkT4S9+r0cI3BhnwiRxt30l5Ph0cfHa9Tw== FORGED_MUA_MOZILLA,HEADER_FROM_DIFFERENT_DOMAINS,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 smtp.eternal-september.org Bytes: 3203 On 27/08/2024 06:24, El Kabong wrote: > Previous searches at Aricebo and other sites looked for > alien signals at 1420 Mhz. They picked that frequency > because it is a hydrogen line. The thinking is that > aliens would more likely broadcast there than an > arbitrary frequency. It never made sense to me because > the signal will be attenuated by any hydrogen lying in > the path, and because if you tune in to the hydrogen > line, you'll find... hydrogen noise! The argument is that the 1420 MHz line is less arbitrary, and is not absorbed by interstellar dust. -- alias Ernest Major