![]() In star formation, you have a cloud of gas that’s dominated by its own gravity. How might these supermassive stars have formed? We have to think of very crazy stuff, such as stars with 100,000 times the mass of the sun. My research focuses on creating scenarios where a black hole could grow very rapidly in the very early universe. If a star with a mass more than 30 times the mass of the sun stops fusing atoms in its core to make energy, the core can collapse, the star can explode and a black hole forms. One way black holes form is through the explosions of massive stars. What ideas do astrophysicists have for how supermassive black holes formed in the early universe? Inayoshi recently spoke with me about his work an edited version of the interview follows. He is also looking at the connection between the first stars in the universe, the relic radiation of the Big Bang, and gravitational waves. These are questions that Kohei Inayoshi, a theoretical astrophysicist at Columbia University and a Junior Fellow in the Simons Society of Fellows, is working to answer. But how is it possible for black holes to do the same at the edge of the universe, in the early the universe, where there is comparatively little matter to feed them - and little time (less than 1 billion years) for them to consume it? ![]() Equally monstrous black holes exist at the centers of galaxies, including our own Milky Way, because they have had billions of years to scarf down plenty of gas and dust. Kohei Inayoshi studies how the first supermassive black holes in the universe might have formed.įar, far away, at the edge of the observable universe, lurks the mystery of black holes that are millions to billions of times the mass of the sun.
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