“Why Are Quasars Mysterious?”, English General Knowledge Essay, Paragraph and Speech for class 8, 9, 10 and 12 Class, Competitive Exam.

Why Are Quasars Mysterious?

Astronomers were excited to detect a very powerful source of energy in space in 1961. When they tried to ‘see’ the source of this-great energy output, they could find an object which looked like a faint star. This was difficult to believe because it was giving off more energy than that given by a thousand galaxies, or ten trillion stars. And the source objects seem to be no bigger than a small portion of a galaxy.

Some scientists think that quasars are tremendous explosions taking place in the middle of distant galaxies. Others think that quasars are very distant objects that are moving at very high speeds away from us. According to them, they are so far away that even the light takes very long to reach us from them. So long that when we look at them, we may be looking back in time almost to the beginning of the universe this could mean billions of years ago!

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