Exam (elaborations)
ASTR 101 Midterm 2 UMD Questions with Complete Solutions
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Stellar Parallax Correct Answer-Shift of position of nearby star in comparison to distant objects. D=1/p (Distance in parsecs, parallax in arc seconds) Only works for nearby stars (within 3000 light years) because you need to measure the parallax angle which becomes smaller as distance increases....
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