Finding Intermediate-Sized Black Holes

From NASA In our vast universe, the heaviest black holes grew from seeds. Nourished by the gas and dust they consume, or by merging with other dense objects, these seeds grow in size and heft to form the centers of galaxies, such as our own Milky Way. But unlike in the realm of plants, the…

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Astronomers discover 83 supermassive black holes in the early universe

Subaru Telescope spots 13-billion-year-old quasars powered by black holes Princeton University Astronomers from Japan, Taiwan and Princeton University have discovered 83 quasars powered by supermassive black holes in the distant universe, from a time when the universe was less than 10 percent of its present age. “It is remarkable that such massive dense objects were…

One more thing to worry about

While we are all recovering from the news of the terrible fate that awaits us as outlined recently in Bali, astronomers have, for the first time, witnessed a super-massive black hole hitting a nearby galaxy with a “death-star-like” beam of energy. The story also has a video with simulations, pictures, and explanations. “The ‘death star galaxy,’…