Physics, 01.04.2020 17:48 kendrickstoudemire20

In outer space, distances between object such as galaxies can be so vast that a new unit is used to measure them. This unit uses the distance cover by the fastest moving thing in the universe in a year. This is called a(n) A) lightyear. B) atomic year. C) galactic unit. D) astronomical unit.

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In outer space, distances between object such as galaxies can be so vast that a new unit is used to...