The Search for Planet X
Learn more about the search for Planet X, a.k.a our true ninth planet. A couple notes on the video: - Some astronomers refer to Planet X as 'Planet Nine'. - Sedna is no longer the farthest...
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Last year, we geeked out about Proxima Centauri b, a possibly life-supporting planet 4.2 lightyears away.But we should have focused on a discovery even closer to home: In January of 2016, scientistsfound proof of a new planet orbiting our own sun.Dwarf planets are a dime a dozen.When it comes to real planets—bodies with enough mass to achieve a nearly round shape,clear nearby debris, and orbit the sun—we know of only eight in our solar system...Until now.Over the past century, many astronomers claimed to have caught whiff of an elusive ninth body,sometimes called Planet X.In 1972, scientists examined certain peculiar irregularities in the course of Halley’scomet.They thought that a distant planet’s gravitational pull could be to blame.Then, in 1982, back when Plu...
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Last year, we geeked out about Proxima Centauri b, a possibly life-supporting planet 4.2 lightyears away.But we should have focused on a discovery even closer to home: In January of 2016, scientistsfound proof of a new planet orbiting our own sun.Dwarf planets are a dime a dozen.When it comes to real planets—bodies with enough mass to achieve a nearly round shape,clear nearby debris, and orbit the sun—we know of only eight in our solar system...Until now.Over the past century, many astronomers claimed to have caught whiff of an elusive ninth body,sometimes called Planet X.In 1972, scientists examined certain peculiar irregularities in the course of Halley’scomet.They thought that a distant planet’s gravitational pull could be to blame.Then, in 1982, back when Plu...
