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PS Study Stack 2
PS Investigation 2 vocab
Term | Definition |
---|---|
AXIS | an imaginary axle that a planet spins on |
EQUATOR | the imaginary line that runs around the middle of a planet, halfway between the North and South Poles |
EQUINOX | a day of the year when the Sun’s rays shine straight down on the equator |
LATITUDE | the angular distance north or south from Earth’s equator |
LONGITUDE | the distance measured on Earth's surface east or west of the prime meridian |
NORTH STAR | the reference star pointed to by Earth’s North Pole |
ORBIT | the path one object takes to travel around another object (synonym- revolution) |
REVOLUTION | the path one object takes to travel around another object (synonym- orbit) |
ROTATION | spinning on an axis |
SEASON | a period of the year identified by changes in hours of daylight and weather |
SOLAR ANGLE | the angle at which light passes through the atmosphere; measured from Earth’s surface |
SOLSTICE | a day of the year when Earth’s North Pole is leaning either toward the Sun or away from the Sun |