Question

what is oort cloud. please explain

Answer 1

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The oort cloid is an extended shell of icy object that exist in our solar system . It is named after astronomer jan oort authorised its existance . The oort cloud is roughly spherical and is thought to be the origin of most of the long period comets that have been observed





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Answer 2

Answer:

The Oort cloud, sometimes called the Öpik–Oort cloud, first described in 1950 by Dutch astronomer Jan Oort, is a theoretical cloud of predominantly icy planetesimals proposed to surround the Sun at distances ranging from 2,000 to 200,000 au.