So Einstein's theory of general relativity predicted black holes, or more specifically, that gravity could warp spacetime. But how could we prove it? Here's a ripping yarn about some astronomers who travelled across the world in 1922 to test Einstein's theory during a solar eclipse in far north western Australia.Get comfy, grab a coffee in your favourite reusable cup, and check it out.Follow Cosmic Coffee Time on Twitter for some special content twitter.com/CosmicCoffTime You can request a topic for the show! Email it to cosmiccoffeetime@gmail.com