You don’t need a single giant mirror. https://en.m.wikipedia.org/wiki/Segmented_mirror https://en.m.wikipedia.org/wiki/Segmented_mirror Also the James Webb spac

You don’t need a single giant mirror. https://en.m.wikipedia.org/wiki/Segmented_mirror https://en.m.wikipedia.org/wiki/Segmented_mirror Also the James Webb space telescope uses this technique: https://en.m.wikipedia.org/wiki/James_Webb_Space_Telescope https://en.m.wikipedia.org/wiki/James_Webb_Space_Telescope