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In the same way as astronomers thought there was an object beyond Uranus leading to the discovery of Neptune. Neptune caused perturbations ('wobbles') in the orbit of Uranus because of its gravitational pull as the two planets passed each other - as Uranus passed Neptune on its journey round the sun. This wobble meant that something further out was causing Uranus to do this, and so Neptune was discovered. Early in the 1900s it was discovered that Neptune also had perturbations - 'wobbles' in its orbit - and so another planet further out was believed to cause this. Clyde Tombaugh was given the task of trying to find it, when he discovered Pluto. However, when the size of Pluto was determined it was believed that this was too small an influence on the perturbations measured and so the existence of 'Planet X' - a large planet beyond Pluto - was still mooted. However, in recent times it was realised that the results of measurements of perturbations of Neptune's orbit should be put down to experimental error, and so Planet X does not exist as such - although many more smaller minor planets have been discovered since then.

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What are all objects orbiting the sun beyond Neptune known as?

Trans Neptunian Objects.


Astronomers predicted the existence and orbit of Neptune based on?

Astronomers predicted the existence and orbit of Neptune based on discrepancies in the orbit of Uranus. These discrepancies suggested the gravitational influence of another planet beyond Uranus, leading to the discovery of Neptune in 1846.


What is located beyond Neptune's orbit?

There are two regions in the solar system past Neptune, both of which contain icy planetoids. The inner area is called the "Kuiper Belt", and includes objects which are in relatively stable orbits around the Sun. Farther out, the "scattered disc" region is thought to be the origin of periodic comets, bodies which have been disturbed by Neptune's gravity and enter the inner solar system.


What was found by astronomers who noticed a strange pattern in the orbit of Uranus?

Neptune


Which are thought to have formed farthest from the Sun?

Objects in the Kuiper Belt, including dwarf planets like Pluto, are thought to have formed farthest from the Sun. These icy bodies are located beyond Neptune in the outer regions of the solar system.


Explain about planet X?

After Neptune was discovered, they were claims that its orbit didn't seem to be as predicted. This led to the conclusion that it must be disturbed by another massive planet beyond it. Later Pluto was discovered, but it's mass was not large enough to disturb Neptune. For many years astronomers searched for another planet, but it was recently discovered that Neptune's orbit is not as perturbed as once thought, so the "need" for another planet is gone.


The kuiper belt and oort cloud are thought to be home to what objects?

The kuiper belt mainly consists of the dwarf planets beyond neptune. These include Pluto, Eris, Dysnomiya, Sedna, etc. The oort cloud is home to all the comets that are present in the universe.


What is the region beyond the orbit of neptune?

The region beyond the orbit of Neptune is called the Kuiper Belt. It is a vast ring of icy objects, including dwarf planets, comets, and other small bodies, that orbits the Sun beyond Neptune. The Kuiper Belt is believed to be a source of short-period comets that occasionally enter the inner solar system.


How far is planet x from the sun?

Planet X is a hypothetical planet once thought to exist out beyond Neptune. Astronomers discovered a discrepancy in Uranus' orbit that they thought indicated another planet beyond Neptune whose mass was affecting it. When Neptune's mass was determined using data gathered by Voyager 2, Astronomers discovered that the discrepancy was entirely due to Neptune's orbit. Since then, other trans-Neptunian objects have been discovered, but none large enough to be considered a planet.


In the 1800s why did astronomers predict that the planet neptune would be discovered well before anyone had seen it?

Astronomers saw some deviations from the expect orbit of the planet Uranus. Based on these deviations, some theorized that Uranus was being pulled out of its expect orbit by another planet, which turned out be Neptune.


Why is Neptune furthest away from the planet?

its not the farthers planet.. whoever thought it was is stupid :) haha


Scientists who study the universe beyond earth are called?

They are called astronomers.