What happens at the centre of the Milky Way?

What secrets are held by the black hole at the centre of the Milky Way? Andrea Ghez, astronomer and Nobel Laureate in Physics, discusses this question as part of week’s Paul Bernays Lectures 2021. The honorary lecture series on the philosophy of the exact sciences will take place for the tenth time.

The universe is a space that prompts questions; questions such as what exactly happens at the centre of a galaxy? Andrea Ghez, winner of the 2020 Nobel Prize in Physics, has dedicated herself to this very question throughout her career as astronomer and astrophysicist. Could it actually be possible that at the core of every galaxy lies a supermassive black hole that gets more massive the more massive a galaxy is? These are the types of questions discussed and researched in astronomy.

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Source: “The mysterious, invisible object that keeps our galaxy in motion”, Zurich ETH News