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vocabulary unit 5

this is the vocabulary we are using this unit

rotation the spin of a body on an axis
revolution the motion of a body that travels around another body in space; one complete trip along an orbit
solstice the point at which the sun is as far north or as far south of the equator as possible
equinox the moment when the sun appears to cross the celestial equator
year the time required for the earth to orbit once around the sun
day the time required for earth to rotate once on its axis
season a division of the year that is characterized by recurring wheather conditions and determined by both earth's tilt relative to the sun and earth's position in it's orbit around the sun
latitude the angular distance north or south from the equator; expressed in degrees
aphelion in the orbit of a planet or other body in the solar system, the point that is the farthest from the sun
perihelion the point in the orbit of a planet at which the planet is closest to the sun
nadir the lowest point of the sun
longitude the angular distance east or west
axis an imaginary line about which a body rotates
axial tilt the angle between an objects rotational axis and orbital axis
zenith the highest point reached by the sun
Created by: Riley Richardson
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