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vocabulary unit 5
this is the vocabulary we are using this unit
Question | Answer |
---|---|
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 |