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Science Ch 10 (4th)

Science Ch 10 Lesson 1 & 2 Vocab (4th)

TermDefinition
Axis The imaginary line that Earth spins around as it rotates
Orbit The path of one object in space around another object
Telescope A device people use to observe distant objects with their eyes
Moon Any natural body that revolves around a planet
Phases The different shapes that Earth's moon seems to have
Solar system A group of objects in space that revolve around a central star
Planet A large object that moves around a star
Comet A ball of rock, ice, and frozen gases in space
Star A huge ball of superheated gases
Sun The star at the center of our solar system
Constellation A pattern of stars that form an imaginary picture or design in the sky
Galaxy A huge system of many stars, gases, and dust
Universe Everything that exists in space
 

 



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