Solar System


Solar System logoSubject: Social Science    Exam: NTSE

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Important Concepts in Solar System

Find notes, videos, important points and questions to practice on each of these concepts.

  • Galaxy and Stars

  • The Sun

  • The Planets

  • Other Heavenly Bodies

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Important Points

The solar system consists of the sun, of eight planets and their satellites (or moons), and thousands of other smaller heavenly bodies such as asteroids, comets and meteors.

The solar system is dominated by the sun and the sun accounts for almost 99.9% of the matter in the whole solar system
A galaxy is a vast system of billions of stars, which also contains a large number of gas clouds (mainly of hydrogen gas) and dust, isolated in space from similar systems
Clumps of dust and gas in nebula come together due to their own gravity and form stars.
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