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31 magg 1784 anni - Bessel,Germany

Descrizione:

How to calculate the distance between stars using parallax

Aggiunto al nastro di tempo:

Astronomers time line

ByFernando Cornejo Avalos

13 nov 2018

0

0

339

Data:

31 magg 1784 anni

Adesso

~ 241 years ago

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