In Order for Gravitational Lensing of a Distant Quasar to Occur,the

question 6

Multiple Choice

In order for gravitational lensing of a distant quasar to occur,the galaxy producing the lensing must

• A) be rotating rapidly in order to produce the requisite curvature of space to bend the light beam.
• B) be almost perfectly placed on a line between Earth and the quasar.
• C) contain a supermassive black hole at its center.
• D) be a dwarf galaxy,otherwise the quasar's light cannot pass through it and reach Earth.

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A ratio in finance that reveals the comparison between a company's yearly dividend distribution and its share price.

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