New Oort cloud discovery renews talk of Planet X

Oort CloudNew work from Carnegie's Scott Sheppard and Chadwick Trujillo of the Gemini Observatory reports the discovery of a distant dwarf planet, called 2012 VP113, which was found beyond the known edge of the solar system. This is likely one of thousands of distant objects that are thought to form the so-called inner Oort cloud. What's more, their work indicates the potential presence of an enormous planet, perhaps up to 10 times the size of Earth, not yet seen, but possibly influencing the orbit of 2012 VP113, as well as other inner Oort cloud objects.


The discovery images of 2012 VP113 (affectionately nicknamed "Biden" because of the VP in the provisional name). It has the most distant orbit known in our Solar System. Three images of the night sky, each taken about 2 hours apart, were combined into one. The first image was artificially colored red, second green and third blue. 2012 VP113 moved between each image as seen by the red, green and blue dots. The background stars and galaxies did not move and thus their red, green and blue images combine to show up as white sources. Image credit: Carnegie Institute for Science Read More

Oort Cloud

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