Astronomers have found a river of stars, a stellar stream in astronomical parlance, covering most of the southern sky. The stream is relatively nearby and contains at least 4000 stars that have been moving together in space since they formed, about 1 billion years ago.
from All Top News -- ScienceDaily https://www.sciencedaily.com/releases/2019/02/190215092908.htm
from All Top News -- ScienceDaily https://www.sciencedaily.com/releases/2019/02/190215092908.htm
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