NASA’s Goddard Space Flight Center/CI Lab
No matter what tests we throw at Albert Einstein’s theory of gravity, it just won’t break. A collision of stars has now shown he was right, again.
The general theory of relativity predicts there are four dimensions, three of space and one of time, and that both gravity and light exist in these. But some people argue there may be extra dimensions. They think that gravity, but not light, could occupy them.
To test …