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?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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