Multiple Choice
Astrometry is the very precise measurement of:
A) a star's brightness (e.g., to measure light variations) .
B) a star's blackbody curve (e.g., to measure the star's temperature) .
C) a star's position in the sky (e.g., to measure its motion) .
D) lines in a star's spectrum (e.g., to measure the Doppler shift) .
Correct Answer:
Verified
Correct Answer:
Verified
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