4 ms·
At this point, it is tradition. https://upload.wikimedia.org/wikipedia/commons/c/c5/Comparison_optical_telescope_primary_mirrors.svg https://upload.wikimedia.o
by Tuna-Fish 1y ago
At this point, it is tradition.
https://upload.wikimedia.org/wikipedia/commons/c/c5/Comparison_optical_telescope_primary_mirrors.svg https://upload.wikimedia.org/wikipedia/commons/c/c5/Comparis...