Kurzgesagt – In a Nutshell

S2014 E11 Atoms As Big As Mountains — Neutron Stars Explained

本集简介

上一集

2014/08/04 S2014 E10

Everything You Need to Know About Planet Earth

下一集

2014/10/09 S2014 E12

Is War Over? — A Paradox Explained

当前季