Astronomy – Ch. 2 Understanding the Night Sky (21 of 23) Earth s Temperature 12,000 Years Later

Astronomy – Ch. 2 Understanding the Night Sky (21 of 23) Earth s Temperature 12,000 Years Later
ΑΣΤΡΟΝΟΜΙΑ - VIDEO ΟΥΡΑΝΟΓΡΑΦΙΑ

Astronomy – Ch. 2 Understanding the Night Sky (21 of 23) Earth s Temperature 12,000 Years Later

31 Δεκέμβριος 2015
[ot-video][/ot-video]
CH02 V21