From the Soviet Union’s pioneering satellite to the first man on the Moon 50 years ago, here are 10 key dates in space exploration.
![](https://3c1703fe8d.site.internapcdn.net/newman/csz/news/tmb/2019/4-russiancosmo.jpg)
Source:
https://phys.org/news/2019-07-exploration-space-key-dates.html
Only the Autodidact is Free
From the Soviet Union’s pioneering satellite to the first man on the Moon 50 years ago, here are 10 key dates in space exploration.
Source:
https://phys.org/news/2019-07-exploration-space-key-dates.html