s5awynDoiNataylauri s5awynDoiNataylauri

06-03-2016
Physics

contestada

Which unit do astronomers use for angular measurement?
A. parallax
B. arcsecond
C. parsec
D. light-year

Respuesta :

06-03-2016

C and D are units of length or distance.
A is a measured angle.
B is a unit of angular measurement.

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