Astronomers Find First Interstellar Immigrant

Less than a year ago, astronomers discovered ‘Oumuamua, the first known object from another star system to pass through our own. Now, in a new study published today in the Monthly Notices of the Royal Astronomical Society: Letters, astronomers announced the discovery of the first interstellar object known to have taken up permanent residence around the Sun.
A Perfect Fit
Astronomers first discovered the asteroid in question, which has the succinct name (413107) 2015 BZ509 (or Bee-Zed for s