NASA's exoplanet-hunting spacecraft TESS has heard the song a star-quaking red giant sings to its partner black hole.

NASA exoplanet-hunting spacecraft hears a red giant star 'singing' to its partner black hole

Source: space
Source Link: https://www.space.com/astronomy/black-holes/nasa-exoplanet-hunting-spacecraft-hears-a-red-giant-star-singing-to-its-partner-black-hole