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    Question

    Consider the following statement about Radio Galaxies:

    1.  Astronomers recently reported the discovery of 63 new giant radio galaxies

    2.  Radio Galaxies, also known as radio-luminous galaxies or radio-loud galaxies

    3.  These are a particular type of active galaxy that emits more light at radio wavelengths than at visible wavelengths.

    Which of the statements given above is/are correct?

    A 1 only Correct Answer Incorrect Answer
    B 2 only Correct Answer Incorrect Answer
    C Both 1 and 2 Correct Answer Incorrect Answer
    D 1, 2 and 3 Correct Answer Incorrect Answer

    Solution

    Astronomers recently reported the discovery of 63 new giant radio galaxies. Radio Galaxies, also known as radio-luminous galaxies or radio-loud galaxies, are a particular type of active galaxy that emits more light at radio wavelengths than at visible wavelengths. The first radio galaxy to be discovered, and still the brightest, is called Cygnus A

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