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Planet Nine is a hypothetical ninth planet in the outer region of the Solar System. [4] [2] 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).
Along with the similar orbits of other distant trans-Neptunian objects, the orbit of Leleākūhonua suggests, but does not prove, the existence of a hypothetical Planet Nine in the outer Solar System. [5] [12] As of 2019, the object is inbound 78 AU from the Sun; [9] about two-and-a-half times farther out than Pluto's current location. [13]
2018 AG 37 was first imaged on 15 January 2018 by astronomers Scott Sheppard, David Tholen, and Chad Trujillo when they were surveying the sky using the large 8.2-meter Subaru Telescope at Mauna Kea Observatory, Hawaii, to find distant Solar System objects and the hypothetical Planet Nine, whose existence they proposed in 2014.
A paper describing the work, ‘Generation of Low-Inclination, Neptune-Crossing TNOs by Planet Nine’, is available now on arXiv. Show comments. Advertisement. Advertisement. In Other News.
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.
In January, researchers Mike Brown and Konstantin Batygin proposed that a possible ninth planet was orbiting on the outer edge of the solar system. There's even more evidence Planet Nine is hiding ...
Nonetheless, an article in the British tabloid The Sun (later republished in the New York Post) [124] conflated the three ideas of Nibiru, Planet Nine, and Whitmire's planet to suggest that not only had Planet Nine been found, but that it would collide with Earth at the end of April, which resulted in Batygin receiving a spike in panicked calls ...
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 ...