English | ISBN: 1439873542 | 2012 | 152 pages | PDF | 13 MB
The universe, in all its richness, diversity and complexity, is populated by a myriad of intriguing celestial objects. Among the most exotic of them are gravitationally lensed quasars. A quasar is an extremely bright nucleus of a galaxy, and when such an object is gravitationally lensed, multiple images of the quasar are produced â€“ this phenomenon of cosmic mirage can provide invaluable insights on burning questions, such as the nature of dark matter and dark energy.
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