Size Comparison Of Optical Telescopes From 1893 To 2022

Size Comparison Of Optical Telescopes From 1893 To 2022

Briefly: Here’s a fascinating graphic comparison of the mirrors of optical telescopes since the Yerkes Observatory — an 1893 40-inch refractor in Williams Bay, Wisconsin — to the largest of them all, the 39m European Extremely Large Telescope at Cerro Armazones in the Atacama Desert, Chile.


The Cheapest NBN 50 Plans

It’s the most popular NBN speed in Australia for a reason. Here are the cheapest plans available.

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