1 of 1
Story summary
- Astronomers using NASA's Transiting Exoplanet Survey Satellite studied a red giant in Gaia BH2 binary, 3,800 light-years away in Centaurus.
- The star's "song" from starquakes suggests a turbulent history.
- The red giant is about 5 billion years old.
- It rotates every 398 days, indicating interaction with the black hole companion.
- The findings appeared November 13 in The Astronomical Journal, with plans for further observations.
