Each number represents the location of the cloud per day
Daily observations of the cloud of radioactive dust particles after a Chinese test at Lop Nur on May 9, 1966. The cloud moved about 1,400 miles per day.
This project is part of the National Science Digital Library and was funded by the Division of Undergraduate Education, National Science Foundation Grant 0434253
![[Advertisement] amazon.com](http://www.atomicarchive.com/Images/ads/clock468x60a3.gif)
