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11 Cards in this Set
- Front
- Back
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Where are most of the Milky Ways globular clusters found? |
The halo |
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Why do disk stars bob up and down as thy orbit the galaxy? |
The gravitational pull of other disk stars pulls them toward the disk |
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What is the typical hydrogen content of stars that are forming currently in the suns vicinity? |
70% Hydrogen |
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Where would you most likely expect to find an ionization nebula? |
A spiral arm |
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Where would you least expect to find an ionization nebula? |
The halo |
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Which of these galaxies would you most likely find at the center of a large cluster of galaxies? |
Large elliptical galaxy |
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In which of these galaxies would you least likely find an ionization nebula? |
Large elliptical galaxy |
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How many galaxies are there in a typical cluster of galaxies? |
Few hundred |
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A collision between two large spiral galaxies is likely to produce |
Large elliptical galaxy |
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The luminosity of a quasar is generated in a region the size of |
The solar system |
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The primary source of a quasars energy is |
Gravitational potential energy |
