Astronomy – Ch. 17 The Nature of Stars (18 of 37) UBV Photometry Star Brightnessr and it s Color

Astronomy – Ch. 17 The Nature of Stars (18 of 37) UBV Photometry Star Brightnessr and it s Color
ΑΣΤΡΟΝΟΜΙΑ - VIDEO Η ΦΥΣΗ ΤΩΝ ΑΣΤΡΩΝ

Astronomy – Ch. 17 The Nature of Stars (18 of 37) UBV Photometry Star Brightnessr and it s Color

6 Ιανουαρίου 2016
[ot-video][/ot-video]
CH17 V18