From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.lang.hm (unknown [66.167.227.145]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 372B63B29D for ; Wed, 26 Apr 2023 23:50:26 -0400 (EDT) Received: from dlang-mobile (unknown [10.2.2.69]) by mail.lang.hm (Postfix) with ESMTP id 45A1F1897EF; Wed, 26 Apr 2023 20:50:25 -0700 (PDT) Date: Wed, 26 Apr 2023 20:50:25 -0700 (PDT) From: David Lang To: Daniel Schien cc: Vint Cerf , "tom@evslin.com" , starlink , "e-impact@ietf.org" In-Reply-To: Message-ID: <24775q18-p46r-916s-59o8-q1q98rr57080@ynat.uz> References: <1272.1681406523@localhost> <8151.1681416108@localhost> <24341.1681947286@localhost> <4f0fa01d97325$3f72e9a0$be58bce0$@evslin.com> MIME-Version: 1.0 Content-Type: multipart/mixed; BOUNDARY="===============8961414638841717611==" Subject: Re: [Starlink] [E-impact] DataCenters in Space (was Re: fiber IXPs in space) X-BeenThere: starlink@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Starlink has bufferbloat. Bad." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Apr 2023 03:50:26 -0000 This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --===============8961414638841717611== Content-Type: text/plain; format=flowed; charset=US-ASCII On Thu, 20 Apr 2023, Daniel Schien via Starlink wrote: > I assume any object in orbit will be hidden from the sun some of the time. So, the machines will require some pretty big battery to go up with them. less than you would think, as you get further away from the earth, the shadow of the earth is smaller (think about a lunar eclipse, the shadow of the earth is barely the size of the moon, and the eclipse doesn't last very long) > I'd like to also know what the launch cost is. Shuttle was ~50k/Kg pre-spacex expendable rockets were ~$10k/kg Falcon 9 has driven costs down into the ballpark of $1k/Kg (with indications that SpaceX internal costs may be significantly lower, but they price their launches at what the market will bear, under their competitors pricing) Starship could get this down to under $10/Kg David Lang --===============8961414638841717611== Content-Type: text/plain; CHARSET=utf-8 Content-Transfer-Encoding: BASE64 Content-ID: <250p1959-3rs9-n13n-s042-2os0np53n2q0@ynat.uz> Content-Description: Content-Disposition: INLINE X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KU3Rhcmxpbmsg bWFpbGluZyBsaXN0ClN0YXJsaW5rQGxpc3RzLmJ1ZmZlcmJsb2F0Lm5ldApodHRwczovL2xpc3Rz LmJ1ZmZlcmJsb2F0Lm5ldC9saXN0aW5mby9zdGFybGluawo= --===============8961414638841717611==--