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→Learning objectives
===Learning objectives===
===Learning objectives===
1.Explains the Birth stage of the stars.
2.Describes the colour of the stars based on its temperature.
3.Gives reason for the enormous output of Energy during steady state of a star.
4. Explains the process of a star to change from steady state to red-giant stage.
5.States the conditions for a star to attain the steady state.
6.States the meaning and definition of Supernova.
7.Explains the future of the stars when mass of the stars is less than the solar mass.
8.Explains the future of the stars when mass of the stars is more than the solar mass.
9.Briefly describes the Life cycle of stars.
10.Defines Galaxy.
11.Mentions/names the Types of Galaxies.
12.Briefly explains about Elliptical galaxy, Spiral galaxy and Irregular galaxy.
13.States and explains experimental evidence for proposing Big-Bang theory.
===Notes for teachers===
===Notes for teachers===
''These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.''
''These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.''