C the less massive black hole falls to the center of

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Unformatted text preview: he less massive black hole falls to the center of the merged galaxy and the more massive is ejected. D. Both black holes fall to the center of the merged galaxy and themselves merge to form a single black hole. ____ 3. Suppose there is an observer A in a nearby galaxy, an observer C at a distant galaxy, and an observer B half way between them. How will the velocities of galaxies appear to them? A. Observers A and B see all galaxies receding, and observer C sees all galaxies approaching. B. Observer A sees all galaxies receding, observer C sees all galaxies approaching, and observer B sees half the galaxies approaching and half receding. C. Observers A and C see all galaxies receding, and observer B sees all galaxies approaching. D. All observers see all galaxies receding. ____ 4. Radio maps of QSOs often show lobes of radio emission far from the central QSO. What are the lobes? A. Dwarf galaxies orbiting the QSO. B. Gas ejected when the QSO collided with another galaxy. C. Gas l...
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This document was uploaded on 02/10/2014.

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