During the 18th century, astronomers had measured the proper motions of a reasonably large number of stars. (britannica.com)
The element leaves a clear signal in the light of a star, so Israelian's results provide an efficient way to sort through large numbers of stars and decide which ones to focus on for the more detailed studies needed to find planets. (discovermagazine.com)
Astronomers have turned to a method called «machine learning» to help them understand the properties of large numbers of stars. (sciencedaily.com)