A balloon-borne scientific instrument designed to study the origin of cosmic rays is taking its second turn high above the continent of Antarctica three and a half weeks after its launch.
![](https://scx1.b-cdn.net/csz/news/tmb/2020/supertigeron.jpg)
Source:
https://phys.org/news/2020-01-supertiger-prowl130000-feet-antarctica.html