Wonder of Science
@wonderofscience · 10 сент. 2019 г.
Carl Sagan explains how the ancient Greeks knew the Earth was round and calculated its circumference over 2,000 years ago.
Elon Musk
@elonmusk
Sagan was awesome
01:37 · 14 сентября 2019 г. · 0 просмотров
229
360
7,8 тыс.