Studying the light from stars tells us their temperature, composition, age, and evolutionary state.
But the red giant companion to Gaia BH2, a black hole system discovered in 2023, tells a contradictory story that doesn’t make sense until you…
Studying the light from stars tells us their temperature, composition, age, and evolutionary state.
But the red giant companion to Gaia BH2, a black hole system discovered in 2023, tells a contradictory story that doesn’t make sense until you…