Path: ...!feeds.phibee-telecom.net!3.eu.feeder.erje.net!feeder.erje.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Mikko Newsgroups: sci.physics.relativity Subject: Re: In relativity "s" is for "spin" Date: Sun, 30 Jun 2024 12:43:03 +0300 Organization: - Lines: 21 Message-ID: References: <218bad07e23f4a46a00f34853e2bcf1d@www.novabbs.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sun, 30 Jun 2024 11:43:04 +0200 (CEST) Injection-Info: dont-email.me; posting-host="edf92710cff98efa55bbf9e0df377222"; logging-data="500143"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18GR5AwQlJuoSYfhriRwJ/3" User-Agent: Unison/2.2 Cancel-Lock: sha1:KEXSb/YbUjUDlnmG7YqFDgBPuwg= Bytes: 1993 On 2024-06-29 18:10:03 +0000, LaurenceClarkCrossen said: > How is light affected twice as much by gravity as everything else, > according to relativity? According to Galileo and Eotvos, everything is > affected the same by gravity regardless of mass or material. How does > relativity "spin" this discrepancy (to use a colloquialism)? The speed of an object determines how long the object is close enough to a more massive object that it is significantly deflected. Light is faster that anything else so it is deflected less than anything else (if passing the massive object at the same distance). A small object like a single atom can be accelerated to a speed that is only slightly less than the speed of light. Unfortunately a single atom is so easily lost that it has not yet been pssible to observe how much it is deflected by a massibe body. General Relativity predicts that it is deflected nearly as much as light. -- Mikko