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The Indian astronomer Ketkar had predicted Pluto (and another planet) much more precise than the American and European people who ran the survey programs. However, the discovery in America in 1930 was completely independent from this because his work was unknown in America.

Wie der Löwe an den Himmel kam (Franckh-Kosmos-Verlag 2021) Das neue Buch über die wahren Geschichten der Sternbilder.

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Vortrag zum Thema Applied Historical Astronomy

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