Astronomers in Chile have confirmed the first discovery of a planet in the Milky Way, that came from another galaxy. Two thousand light years from Earth, the Jupiter-like world and the star it closely orbits, are believed to be part of a group of stars known as the Helmi stream. Scientists say, this alien planet is now nearing the end of its life and could help better understand the ultimate fate of Earth and the demise of our solar system.
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