UPSC Geography The origin and evolution of the earth Question Bank Universe / Sun / Planets / Earth

  • question_answer ) Consider the following statements regaining asteroids and comets?                                             
    1. Asteroids are small rocky planetoids while comets are formed of frozen gases held together by rocky and metallic material.
    2. Asteroids are found mostly between the orbits of Jupiter and Mars while comets are found mostly between Venus and Mercury.
    3. Comets show a perceptible glowing tail while asteroids do not.
    Which of the statement(s) given above is/are correct?

    A)  1 only                         

    B)  1 and 2 only                

    C)  1 and 3 only                

    D)  1, 2 and 3             

    Correct Answer: C

    Solution :

     Asteroids are small rocky planetoids. They are small, airless rocky worlds revolving around the sun that are too small to be called planets. They are also known as planetoids or minor planets. In total, the mass of all the asteroids is less than that of Earth's moon. Comets are formed of frozen gases held together by rocky and metallic material. Comets show a perceptible glowing tail while asteroids do not.

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