Earth, Moon, Stars lesson 1-2 Vocab

7 terms by hallesl

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Geocentric Perspective

the perspective of the universe focusing on the Earth as the center of the universe

Heliocentric Perspective

the perspective of the solar system focusing on the Sun as the center.

Galaxy

a large system of dust, gas, and stars that has a particular shape

Astronomical Unit (AU)

the unit of measure equal to the Earth's distance from the Sun. The Earth is 1 AU (150 million km) from the Sun.

Astronomy

the study of the stars, planets, and other objects in space.

Rotation

the spinning of an object around a central axis.

Revolution

the orbiting of one object around another

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