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Answer:
Answer 1.
A celestial body can be defined as any natural body outside of the Earth's atmosphere. Celestial bodies or heavenly bodies are objects in space such as the sun, moon, planets and stars. A natural celestial object, visible in the sky.
Answer 3.
The Sun is the star in the center of our solar system. It is a yellow dwarf star. It gives off energy as light. That includes light, infra-red energy (heat), ultraviolet light and radio waves. The sun is composed mainly of hydrogen and helium. Sun is the most important source of energy for life on Earth. Every living being gets their energy from the sun. It is the source of light and heat without which life on earth would not be possible.
Explanation:
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