4 ms·
You can check out the following SVG to see a comparison of telescope sizes: http://upload.wikimedia.org/wikipedia/commons/c/c5/Comparison_optical_telescope_pri
by batbomb 12y ago
You can check out the following SVG to see a comparison of telescope sizes:
http://upload.wikimedia.org/wikipedia/commons/c/c5/Comparison_optical_telescope_primary_mirrors.svg http://upload.wikimedia.org/wikipedia/commons/c/c5/Compariso...