You measure the parallax angle for a star to be 0.1 arcseconds. The distance to this star is
A) 0) 1 parsec.
B) 10 parsecs.
C) 0) 1 light- year.
D) 10 light- years.
E) impossible to determine.
Correct Answer:
Verified
Q12: The sketch above shows groups of stars
Q14: Q15: What are the standard units for apparent Q16: Which of the following statements about spectral Q18: Assuming that we can measure the apparent Q19: Star X has an apparent magnitude of Q20: If the distance between us and a Q21: What is the approximate age of a Q22: Which star is the hottest star? Q104: Ten parsecs is about
A)O
B)G
C)M
D)A
E)Can't tell
A)150 million kilometers.
B)10,000 seconds.
C)10
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