Size comparison of optical telescopes from 1893 to 2022

Illustration for article titled Size comparison of optical telescopes from 1893 to 2022

Here's a fascinating graphic comparison of the mirrors of optical telescopes since the Yerkes Observatory—a 1893 40-inch refractor in Williams Bay,Wisconsin—to the largest of them all, the 128-foot (39-meter) European Extremely Large Telescope at Cerro Armazones in the Atacama Desert, Chile.

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DISCUSSION

makes my 9.25" look like an ant! Still..managed some beautiful shots from it ;)