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Science planet stars

chapter 2 vocabulary part one

to spin around an axis rotate
an imaginary line that runs through the center of Earth from the North Pole to the South Pole axis
to travel in a closed path revolve
the closed path of one object in space around another object orbit
a natural body that revolves around a planet moon
one of the shapes the moon seems to have as it orbits earth phase
growing waxing
shrinking waning
less than half of the moon is illuminated or shining crescent
more than half of the moon is illuminated or shining gibbous
Created by: cvanmeter