If an astronomical object's parallax is one quarter of an arcsecond, how many parsecs is it from earth? a) 4 b) 15 c) 100 d 240 - QAmmunity.org

If an astronomical object's parallax is one quarter of an arcsecond, how many parsecs is it from earth? a) 4 b) 15 c) 100 d 240

asked Jan 26, 2021 15.4k views

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