Below you will find the solution for: General relativity meant there must be these waves but they weren't directly detected until 2015 by the LIGO Observatory Jeopardy .
Since you already solved the question General relativity meant there must be these waves but they weren't directly detected until 2015 by the LIGO Observatory which had the answer GRAVITATIONAL WAVES, you can simply go back at the main post to check the other answers. You can do so by clicking the link here Jeopardy November 03 2021
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