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Motion in space

QuestionAnswer
Lunar eclipse Sun earth an moon line up perfectly in that order
Solar eclipse Sun moon and earth line up perfectly in that order
Eclipse When the sun or moon is hidden from view from earth due to alignment
Shadows The outline of an object not fully lit on all sides
Tides The rise and fall of the sea
Moon phases The change as the moon orbits earth. They're do to how much of the lit portion of the moon we can see
Sunrise and sunset A type of appearing motion of the sun
Moonrise and moon set The appearent motion of the moon
Moon A natural satellite that orbits a planet
Actual motion/ position How things really move or how they really are
Apparent motion/ position What something looks like or where it looks like but actually ISNT
Seasonal changes of constellations Locations of the constellations appear to change season to season as earth or is the sun on an axis
Constellations Sections of the sky each coating a star pattern
Newtons law of Universal Gravitation The force of gravity between two objects depends on the masses and the distance between them
Light year Unit of distance equal to distance light travels in one year
Astronomical unit Average distance from earth to the sun is one astronomical unit
Keplers laws of planetary motion 1) planets aren't perfect circles but are slightly elliptical 2) the closer the planet is to the sn the faster it moves 3) using a planets period of revolution
Ellipse/ elliptical Ellipse~ elongated circle Elliptical ~ taking on thr saoe of an ellipse
revolve/revoltuon a complete trop along an orbit
axis imgainary line connecting opposite poles which planets spin
rotation/roatate spinning on an axis
orbit noun) th epath an object in space follows as it travels around another object in space verb) to travel or move around an object in space
day time needed for a planet to spin completly around one time
month the approximate time needed for earths moon to make one complete trip around earth
year time needed for a planet to orbit around the sun once
Created by: alexis_11
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