Q. 3 A3.5( 6 Votes )

Answer the follow

Answer :

Interstellar clouds are huge clouds of dust and gas present between the stars and the galaxy. Size of interstellar clouds are about a few light years where one light year is equal to km. These interstellar clouds contract due to disturbances and due to these contraction density and temperature increases and a dense sphere of hot gases are formed.

A sufficient temperature and density nuclear energy generation starts, due to this gas sphere becomes self-luminous and a star is formed or in other words a star is born.

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