Physics, 03.11.2020 03:10 gonzalesalexiaouv1bg

(2) I have a great idea to stretch a sheet of aluminized mylar over a large (2 m dia) drum and pump out the air inside the drum to create a large objective mirror for a reflecting telescope at low cost. Will the idea work, and if not, why not?

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(2) I have a great idea to stretch a sheet of aluminized mylar over a large (2 m dia) drum and pump...

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