Black Holes

Simulation of material orbiting close to a black hole. (Image: Foto: ESO / Gravity Consortium / L. Calçada)

What Exactly Is a Black Hole?

What is a black hole? In an article that has just appeared in the journal Nature Astronomy, LMU philosopher Erik Curiel shows that physicists use different definitions of the concept, depending on their own particular fields of interest. A black…

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Black Holes Eat Stars in Variable Mood Lighting

When a black hole chews up a star, it produces visible light or X-rays, but astronomers have almost never detected both types of radiation. Astronomer Peter Jonker (SRON/Radboud University) and…

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What Exactly Is a Black Hole?

What is a black hole? In an article that has just appeared in the journal Nature Astronomy, LMU philosopher Erik Curiel shows that physicists use different definitions of the concept,…