Swiss 1.2-metre Leonhard Euler Telescope

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Invention

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Science and technology

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What Wikipedia says

Leonhard Euler Telescope, or the Swiss EULER Telescope, is a national, fully automatic 1.2-metre (47 in) reflecting telescope, built and operated by the Geneva Observatory.

Excerpt from the Wikipedia article “Swiss 1.2-metre Leonhard Euler Telescope”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Credit: ESO, CC BY 3.0, via Wikimedia Commons.