Astronomy – Ch. 17a – Measuring Distance, Size, and Luminosity (1 of 30) Biggest Challenge in Astronomy

Astronomy – Ch. 17a – Measuring Distance, Size, and Luminosity (1 of 30) Biggest Challenge in Astronomy
ΑΣΤΡΟΝΟΜΙΑ - VIDEO Η ΦΥΣΗ ΤΩΝ ΑΣΤΡΩΝ

Astronomy – Ch. 17a – Measuring Distance, Size, and Luminosity (1 of 30) Biggest Challenge in Astronomy

14 Ιανουαρίου 2016
[ot-video][/ot-video]
CH17a V01