Astronauts began an extraordinarily complicated series of spacewalks Friday to fix a cosmic ray detector at the International Space Station.
![](https://scx1.b-cdn.net/csz/news/tmb/2019/astronautsst.jpg)
Source:
https://phys.org/news/2019-11-astronauts-spacewalk-series-cosmic-ray.html
Only the Autodidact is Free
Astronauts began an extraordinarily complicated series of spacewalks Friday to fix a cosmic ray detector at the International Space Station.
Source:
https://phys.org/news/2019-11-astronauts-spacewalk-series-cosmic-ray.html