10th planet is bigger than Pluto.
CLAIMS that the sun has a 10th planet have been bolstered by the discovery that an icy body found on the edge of the Solar System is bigger than Pluto.
Astronomers Famous astronomers and astrophysicists include:
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The object is one of about 100,000 icy bodies that lie in a ring known as the "Kuiper Belt Kuiper belt: see comet; Kuiper, Gerard Peter.
or Edgeworth-Kuiper belt
Disk-shaped belt of billions of small icy bodies orbiting the Sun beyond the orbit of Neptune, mostly at distances 30–50 times Earth's distance " on the outer fringe of the Solar System, more than four billion kilometres (2.5 billion miles) from the sun.
They are thought to have been left over from the formation of the sun's planetary system planetary system, a star and all the celestial bodies bound to it by gravity, especially planets and their natural satellites. Until the last decade of the 20th cent. about 4.5 billion years ago.
UB313 is the most distant object ever seen in the Solar System using telescopes on Earth.