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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
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
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.
- Fall '14