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Einstein’s general relativity explains gravity, black holes, and the motion of massive objects across the universe.—Rupendra Brahambhatt, Interesting Engineering, 9 May 2026 The first mystery that could be solved involves an ultradense clump of matter detected in the system JVAS B1938+666, which is gravitationally lensed, or visibly distorted, thanks to a quirk of general relativity.—Robert Lea, Space.com, 6 May 2026 In general relativity, spacetime is a changing, dynamic background.—Big Think, 1 May 2026 One hundred years ago this month, Albert Einstein published a series of four papers that introduced the theory of general relativity.—Encyclopedia Britannica, 2 Apr. 2026 See All Example Sentences for general relativity