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Planet Nine is a hypothetical ninth planet in the outer region of the Solar System. [2] [4] Its gravitational effects could explain the peculiar clustering of orbits for a group of extreme trans-Neptunian objects (ETNOs), bodies beyond Neptune that orbit the Sun at distances averaging more than 250 times that of the Earth i.e. over 250 astronomical units (AU).
Plan 9 from Outer Space is a 1957 American independent science fiction-horror film produced, written, directed, and edited by Ed Wood.The film was shot in black-and-white in November 1956 and had a preview screening on March 15, 1957, at the Carlton Theatre in Los Angeles under the title Grave Robbers from Outer Space. [3]
Michael E. Brown (born June 5, 1965) is an American astronomer, who has been professor of planetary astronomy at the California Institute of Technology (Caltech) since 2003. [1] His team has discovered many trans-Neptunian objects (TNOs), including the dwarf planet Eris , which was originally thought to be bigger than Pluto , triggering a ...
Scientists say they have found new evidence that there is a hidden planet in our solar system. For years, some astronomers have been suggesting that unusual behaviour on the edge of our solar ...
A ninth planet is one form the solar system’s mysterious mass could take. After centuries of watching the skies, the map of our local solar system has grown quite detailed. In the impenetrable ...
The missing Planet Nine is lurking somewhere in our solar system, and we're one step closer to discovering it. See why scientists think they can find Planet 9.
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It was listed at the Minor Planet Center and the JPL Small-Body Database on 6 April 2017 [8] with a three-year observation arc and an epoch 2017 heliocentric orbital period of 17,500 years. [3] Barycentric orbital solutions, however, are more stable for objects on multi-thousand year orbits, and the barycentric period for 2013 SY 99 is 19,700 ...