Astronomers detect most distant Milky Way stars known

The distant outskirts of our galaxy harbour valuable clues for understanding its formation and evolution. But the stars out there are few, far between, and far, far away.  Now, astronomers are reporting the discovery of two stars in this distant “ha­lo” that are the furthest ever discovered in our galaxy, the Milky Way, and are be­ing described as possible ghosts of galaxies past.