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Caltech researchers have found evidence suggesting there may be a "Planet X" deep in the solar system. This hypothetical Neptune-sized planet orbits our sun in a highly elongated orbit far beyond Pluto. The object, which the researchers have nicknamed "Planet Nine," could have a mass about 10 times that of Earth and orbit about 20 times farther from the sun on average than Neptune. It may take between 10,000 and 20,000 Earth years to make one full orbit around the sun.
Batygin and Brown's work narrowed down the planet’s possible mass and orbit to areas where previous observations might have missed it. Their calculations suggest that it has a mass between five to 20 times that of Earth—a figure that is key to knowing the approximate size of the object they are looking for. They also suggest that its orbit is likely tilted about 30 degrees compared to the plane of the solar system—the relatively thin, flat zone in which the eight major planets orbit. They also propose that the planet is now likely near its farthest point from the sun, in the sky's northern hemisphere, and that it likely has an elongated orbit averaging between 380 and 980 astronomical units (AU) from the sun. (One AU is the average distance between Earth and the sun.)
n an as-yet unpublished set of about 100 new high-resolution computer simulations, Batygin says he and Brown have narrowed down Planet Nine's location to a roughly 600- to 800-square degree patch of sky.
Bailey and her colleagues ran computer simulations that suggest that the tilt of the eight official planets can be explained by the gravitational influence of Planet Nine "over the 4.5-billion-years-ish lifetime of the solar system," Bailey told Space.com.
originally posted by: prevenge
a reply to: raymundoko
Whomever may have the time on their hands to do so should go collect the nasty negative "debunking" posts of the importance and possibility of this topic and post them here...
Just for a nice retrospective 'in your face skeptics' type rebuttal.