Which famous telescope design innovation by George Ellery Hale revolutionized astronomy by eliminating the need for a massive dome structure?

Scientific breakthroughs often depend not just on brilliant minds, but on revolutionary product design that enables new discoveries. From laboratory equipment to measurement tools, the evolution of scientific instruments has shaped our understanding of the world. Test your knowledge about a famous scientific instrument that changed how we explore the universe!

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The Schmidt-Cassegrain folded light path
The coudé focus optical system
The equatorial horseshoe mount
The Dobsonian altazimuth mount