How many stars are in our solar system?

There is only 1 star in our Solar System which is Sun.

Explanation:

Solar system is a family of 1 star i.e. Sun. The word solar comes from Sol which refers to Sun.

A star is composed of gases manly hydrogen and helium where in fusion reaction kicks in to generate huge amount of heat and light energy. Other than 1 star, solar system comprises of 8 planets, their moons, asteroids, comets etc.

Hence, there is only 1 star in Our Solar System.

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1. the energy lost to disorder metabolism     -entropy

2. related to or possessing motion potential     -kinetic

3. all of the chemical reactions in an organism required for maintenance of the processes of life entropy     -metabolism

4. possible; ability to go into action or perform work kinetic     -potential

5. the study of energy and its transformations thermodynamics     -thermodynamics