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Planets and Stars
Term | Definition |
---|---|
Moon | natural satellite of a planet |
Orbit | path an object takes when revolving around another object |
Planet | large, ball-shaped satellite of a star |
Star | enormous ball of glowing gas that gives off heat and light |
Solar system | a star and all the satellites that orbit it |
Sun | name for the central star in our solar system |
Inner planets | four planets closest to the sun; they are smaller and rocky in comparison |
Outer planets | four planets farthest from the sun; also known as the gas giants |
Red star | a star with colder temperature |
Blue star | star with extremely hot temperature |
yellow star | a star with average temperature |
constellation | group of stars that makes a pattern shape, like an animal, object, or person; can be used for navigation |
Dwarf planets | it has not cleared the neighborhood around its orbit; smaller than a planet |
comet | mixture of ice and rock |