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Title: How fast would a rocket ship have to move past Earth to contract to half of its proper length as ... Post by: Chery on Dec 6, 2016 How fast would a rocket ship have to move past Earth to contract to half of its proper length as observed by an Earth-based physicist?
Title: Re: How fast would a rocket ship have to move past Earth to contract to half of its proper length as ... Post by: lyall on Dec 6, 2016 Content hidden
Title: Re: How fast would a rocket ship have to move past Earth to contract to half of its proper length as ... Post by: Chery on Jan 13, 2017 Thanks a million
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