Hunting of Planet X may start soon.

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According to NPR, in Chile, a new powerful telescope is going to construct that will have a good shot at finding the mysterious Planet X, if it exists."Planet X is kind of a catchall name given to any speculation about an unseen companion orbiting the sun," says Kevin Luhman, an astronomer at Penn State University.For more than a century, scientists have observed various things that they thought could be explained by the presence of an unknown planet at the edge of our solar system.

Finding a major new planet would be big news."Up until a year or two ago, we just didn't have the technology to do this, because we didn't have large cameras on large telescopes," explains Scott Sheppard, an astronomer at the Carnegie Institution for Science in Washington, D.C.

Any planet that far away would be very faint, because light would have to travel billions of miles from the sun to the planet, bounce off, and then travel all the way back to our telescopes and because of that, if you put an object twice as far away, it becomes 16 times fainter.

The device is designed to scan huge swaths of sky for faint objects; the building site for it is already being prepared on top of a mountain in Chile, and construction will begin in earnest this year. The telescope is expected to start operations in the early 2020s.

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