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Sun-Earth-Moon

TermDefinition
satellite a body that orbits a planet
star giant ball of superheated gas or plasma
planet spherical, orbits the sun, larger than objects around it
meteor a streak of light produced by a meteorite
comet cold mixture of dust and ice
constellations a pattern of stars that represent a figure or animal
geocentric earth centered
heliocentric sun centered
ellipse the oval shape of the planets’ orbits
sun largest object in our solar system
axis an imaginary line going from the north to south pole
rotation spinning on axis
revolution the movement of one object around another
orbit earth’s path around the sun
solstice a day in which the northern or southern hemisphere has the strongest tilt towards the sun
equinox a day in which the amount of day and night are equal
gravity pulls objects towards the floor
law of universal gravitation every object in the universe pulls together other objects
inertia the tendency of an object to resist a change in motion
phase different shape of the moon you see
solar eclipse when the moon passes directly between the earth and sun during a new moon
lunar eclipse when the earth is directly between the moon and sun during a full moon
umbra darkest part of a shadow where light is completely blocked
penumbra area of a shadow when light is partially blocked
tide daily rise and fall of ocean water
spring tide higher high tides during full and new moons
neap tide lower high tides during first and third quarter moons
maria dark, smooth, lava covered areas on the moon
highlands higher lighter areas on the moon covered with craters
Created by: user-1979176
 

 



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