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File:Minutes of Eddington talk to the Del-Squared V Club.jpg
来自维基百科,自由的百科全书
Found in articles
File:Minutes of Eddington talk to the Del-Squared V Club.jpg
Alike 4.0 truetrue English Minute Book
of
the
Del
-
Squared
V
Club
Recording
Eddington's
observations
of
the
curvature
of
light Wikimedia username: Billthom