33
/fr/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
5574641
525422
2

1 janv. 1838 - Friedrich Wilhelm Bessel proof

Description:

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

Ajouté au bande de temps:

8 sept. 2021
1
0
208

Date:

1 janv. 1838
Maintenaint
~ Il y a 187 ans