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";s:4:"text";s:4810:"• Farfarout's orbit could reveal secrets of the outer solar system—including whether there's an unknown Planet Nine out there. And More…Click to email this to a friend (Opens in new window) By Key points: Farout would take more than 1,000 years to orbit the sun Astronomers have discovered a distant body that’s more than 100 times farther from the Sun than Earth is. Our simplistic nine-planet view of the solar system was shattered years ago when scientists learned Pluto was not unique in the outer solar system. At 120 AU (an AU is the distance from Earth to the sun), Farout is the most distant dwarf planet so far discovered in the solar system. The orbit of the dwarf planet Sedna, for instance, should take it 900 AUs away from the sun. Their work indicates the potential presence of an enormous planet, perhaps up to 10 times the size of Earth. For comparison, Pluto’s diameter is 2,377 km (1477 mi), Moon’s is 3,474 km (2,159 mi) and Earth’s is 12,756 km (7,926 mi) at the Equator.Farout is currentl… The object known as “Farout” is Astronomer Scott Sheppard from the Carnegie Institution for Science imaged Farout for the first time on Nov. 10th with the help of researchers from the University of Hawaii and Northern Arizona University. They used the Subaru 8-meter telescope on Mauna Kea in Hawaii for that initial observation, which the Las Campanas Observatory in Chile confirmed earlier this month. smithsonianmag.com The new planet has a pinkish hue, which is a color associated with ice-rich objects.“All that we currently know about 2018 VG18 is its extreme distance from the Sun, its approximate diameter, and its color,” added Tholen “Because 2018 VG18 is so distant, it orbits very slowly, likely taking more than 1,000 years to take one trip around the Sun.”Astronomers are reaching farther and farther out into space in their search for objects at the limits of our Solar System. In fact, the astronomers found Farout while searching the sky for Planet X. However, if its orbit leads further outward and deeper into space, it could mean Planet X has a hold on it. However, Scott Sheppard observed that Farout was found in a similar part of the sky as other recent finds like the Goblin and 2012 VP113 “Biden” (at 84 AU).These worlds don’t come close enough to the known planets of the Solar System to be strongly influenced by them, so they can possibly point to worlds like “Planet 9”, and if Farout shows a similar orbit, it can help confirm that the theorized clustering of small worlds pointing to Planet 9’s existence is not random.The exploration of the outer Solar System beyond the known planets has really just begun. Members of the same team also discovered “The Goblin” in October, 2018. They also suggest that the planet is roughly spherical and is about 500km in diameter. It took NASA’s New Horizons spacecraft nine years to get to Pluto, and Farout is about 3.5 times farther away than Pluto, so it would take about 31 years for a spacecraft to reach Farout.Farout joins a number of other dwarf planets in the outer reaches of the Solar System. If you continue to use this site we will assume that you are happy with it. It was nicknamed “Farout” (Far-out-there) for obvious reasons. Farout is between 500 and 600 kilometers (310-370 miles) in diameter, so its mass should be sufficient to make it spherical. 120 AU might be as far away as it gets from the sun, or it could travel even farther out before drifting closer. Its gravitational effects could explain the unusual 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. They said Farout is moving so slowly that it might need more than 1,000 years for a single orbit … Based on the data we have so far, the team has made educated guesses for Farout’s size, brightness, color, and approximate location. If future observations suggest it swings in close to the orbit of Neptune, it’s also possible an encounter with the eighth planet flung it out there instead. Subscribe Today to get the latest ExtremeTech news delivered right to your inbox.This site may earn affiliate commissions from the links on this page. We know that other objects swing even deeper into space, though we haven’t seen them in action. And it’s hypothesized that our solar system is surrounded by a shell of rocky and icy objects between 1000 and 100,000 AUs away called the Jason Daley is a Madison, Wisconsin-based writer specializing in natural history, science, travel, and the environment. 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