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The Earth

Question

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Define Planetesimals

Solution

Planetesimals are just like dust particles which came into being by breaking of tonnes of matter out of the sun caused by a passing star.

Some More Questions From The Earth Chapter

Why are the terrestrial planets rocky?

What are the differences between inner planets and outer planets? Mention.

Explain the stages considered in the development of planets.

What was the nature of the earth's surface initially ?

What were the gases which initially formed the earth's atmosphere ?

What is meant by process of differentiation ?

Describe Nebular hypothesis origin of planets.

What is the basic difference in the arguments related to the origin of the earth given by :

(a) Kant and Laplace

(b) Chamberlain and Moulton?

What is Nebula ?

Define Planetesimals

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