1 янв 1838 г. - Friedrich Wilhelm Bessel proof

Описание:

proved the apparent shift in position of a star was more than 0 by measuring the shift of 61 Cygni to be 0.314 arcseconds - Struve & Henderson observed similar for Vega & Alpha Centauri in the same year

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Heliocentric Ideas

ByKayte Kelly

8 сен 2021

208

Дата:

1 янв 1838 г.

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