Potentially, the 1st "extragalactic" star found at the heart of our galaxy S0–6 appears to have taken a 10 billion-year-long journey to reach the Milky Way’s supermassive black hole.

An 'extragalactic' intruder may lurk among stars orbiting the Milky Way's black hole

Source: space
Source Link: https://www.space.com/milky-way-black-hole-extragalactic-intruder-star-hidden