Early Chapters: General Relativity

[Jessica]

What does general relativity really say? Does it truly mean that all motion, including rotation, is relative? Did Einstein beat David Hilbert in discovering general relativity?

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Note: This discussion refers to topics through Chapter 9. Some readers of this thread may not have finished the book. If you are referring to events that occur after Chapter 9, please use "Spoiler Warning" in the subject line of your post. Thanks!