2. Differentiate between the following: (a) Star and planet (b) Asteroid and comet
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a)It is important to understand the clear distinctions between a star and a planet, a star is a body that possesses a light which causes it to reflect the light on its own. ... As planets do not have an internal source of light, they only receive light from external sources primarily the Sun.
b)Asteroids are generally considered to be made up of metals and rocky material, while comets are made up of ice, dust and rocky material. Both asteroids and comets were formed during the earliest history of the solar system, around 4.5 billion years ago.
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