Astronomy – Ch. 17a – Measuring Distance, Size, and Luminosity (30 of 30) Expansion of the Universe!

Astronomy – Ch. 17a – Measuring Distance, Size, and Luminosity (30 of 30) Expansion of the Universe!
ΑΣΤΡΟΝΟΜΙΑ - VIDEO Η ΦΥΣΗ ΤΩΝ ΑΣΤΡΩΝ

Astronomy – Ch. 17a – Measuring Distance, Size, and Luminosity (30 of 30) Expansion of the Universe!

1 Μαρτίου 2016
[ot-video][/ot-video]
CH17a V30