Explaining the curvature of the space-time according to Albert Einstein's theory, to a group of the new students who joined the university this semester. At our astronomical observatory hall at Birzeit University, on Sep 6, 2017.
Explaining the curvature of the space-time according to Albert Einstein's theory, to a group of the new students who joined the university this semester. At our astronomical observatory hall at Birzeit University, on Sep 6, 2017.
Good job!
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Thanks! ^^
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