News tagged with black holes

NuSTAR finds clumpy doughnut around black hole

The most massive black holes in the universe are often encircled by thick doughnut-shaped disks of material. This doughnut material ultimately feeds and nourishes the growing black holes tucked inside. Until recently, some ...

dateDec 17, 2015 in Astronomy
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Cosmic jets light up black hole's snack

A black hole is often thought of as a giant galactic vacuum cleaner constantly sucking in cosmic material, tearing it apart and swallowing it. So black holes should do exactly the same thing with stars, right?

dateDec 16, 2015 in Astronomy
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A new technique to gauge the distant universe

Scientists have developed a technique to use quasars – powerful sources driven by supermassive black holes at the centre of galaxies – to study the universe's history and composition. To demonstrate the new method, based ...

dateDec 04, 2015 in Astronomy
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