Gravitational Lensing of Distant, Faint Irregular Galaxies May Be the Key

question 97

Multiple Choice

Gravitational lensing of distant, faint irregular galaxies may be the key to:

• A)mapping the dark matter.
• B)quasar energy production.
• C)understanding galactic rotation curves.
• D)understanding active galactic nuclei.
• E)determining galactic redshifts.

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