years

The Giant Planets Migrated Between 60-100 Million Years After the Solar System Formed

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Untangling what happened in our Solar System tens or hundreds of millions of years ago is challenging. Millions of objects of wildly different masses interacted for billions of years, seeking natural stability. But its history—including the migration of the giant planets—explains what we see today in our Solar System and maybe in other, distant solar … Read more

A black hole 33 times bigger than the sun is only 2,000 light years from Earth

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Astronomers have discovered a black hole with a mass about 33 times greater than that of our sun, the biggest one known in the Milky Way aside from the supermassive black hole lurking at the center of our galaxy. The newly identified black hole is located about 2,000 light-years from Earth – relatively close in cosmic terms – in the constellation Aquila, … Read more