In the Footsteps of a Devoured Galaxy: a Wandering Supermassive Black Hole Discovered
2 Articles
2 Articles
Typically, such events occur in the centers of galaxies, where supermassive black holes are found. But the event AT2024tvd, discovered in 2024, is different: a star was destroyed about 800 parsecs from the core of a massive galaxy about 100 billion times the mass of the Sun. A new study presents an analysis of the event's light evolution, suggesting that it was caused by a wandering supermassive black hole, possibly the last remnant of a small g…
Black holes of the size of a hydrogen atom could cross the solar system without being noticed. But their days of discretion may be counted. Two teams of researchers propose methods to search for these tiny hypothetical objects, which would have the mass of an asteroid. Because they would have formed at the dawn of the universe, we [...]
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