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High School Electives
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Astronomy
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Galaxy Evolution and Lookback Time
Grade Level
Astronomy
AST.240 Galaxy Evolution and Lookback Time
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🟢 Easy
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Which observation most directly fits the skill description for AST.240?
A
A comet appears brighter as it approaches the Sun.
B
A nearby galaxy is photographed with a different camera setting.
C
A galaxy at large lookback time appears less chemically enriched than nearby galaxies.
D
A moon of Jupiter casts a shadow on Jupiter.
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