[Q&A+] Did China Really Steal the Falcon 9 Design?

BONUS QUESTION STARTS AT 13:32 Watch the video here (with no ads) or on YouTube: https://youtu.be/tdTe2acoWKc Should SpaceX be concerned about China's reusable rocket designs? Have we ever found meteorites coming from Mercury? Why is it called the speed of light, not the speed of gravity? And in Q&A+, when should we start building a Monolith? 00:00 Intro 00:26 [@rwarren58] What would it take to image the surface of a planet at Proxima Centauri? 03:07 [@churchdiscography] Does SpaceX mind that China basically duplicated the Falcon 9 design for a reusable rocket? 07:54 [@paigepotter4682] Have we ever found anything from Mercury on Earth like we have from the Moon and Mars? 09:33 [@Mefodon] Why is the speed of light not called the speed of gravity? 13:32 [@geohondo] What should we leave behind? 17:45 Final thoughts