Question

1 parsec easy and simple definition in your own words ?
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Answer 1

Answer:

Parsec, unit for expressing distances to stars and galaxies, used by professional astronomers. It represents the distance at which the radius of Earth's orbit subtends an angle of one second of arc. ... One parsec equals 3.26 light-years, which is equivalent to 3.09 × 1013 km (1.92 × 1013 miles).

Answer 2

Answer:

refer to the attachment

hope it helps hou:)