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1 Jan 1611 Jahr - Kepler creates a convex telescope in 1611

Beschreibung:

Made of two convex lenses, it was able to see much farther then previous iterations, but flipped the image upside down. He used his new telescope to support his theory of elliptical orbits

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ByPetros Flagg
19 Jan 2020
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1 Jan 1611 Jahr
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~ 415 years ago
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