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Albert Einstein's Theory Of General Relativity: 10 Ridiculously Hard Questions You Should Be Able To Answer

24/11/2015 17:12 GMT | Updated 24/11/2015 17:59 GMT

On November 25 1915, Albert Einstein presented his ground-breaking ideas about spacetime, shifting what scientists had always thought about gravity.

Today, his ideas still shape the research theoretical physicists carry out. But how much do you really know about the genius and his propositions?

Here are ten questions that will get you started.