Astronomy – Ch. 17 The Nature of Stars (28 of 37) Determining a Star s Luminosity

Astronomy – Ch. 17 The Nature of Stars (28 of 37) Determining a Star s Luminosity
ΑΣΤΡΟΝΟΜΙΑ - VIDEO Η ΦΥΣΗ ΤΩΝ ΑΣΤΡΩΝ

Astronomy – Ch. 17 The Nature of Stars (28 of 37) Determining a Star s Luminosity

9 Ιανουαρίου 2016
[ot-video][/ot-video]
CH17 V28