Longitude
Definition
Longitude is the measurement of distance east or west of the Prime Meridian, which runs from the North Pole to the South Pole. It's expressed in degrees and helps determine a location's position on Earth.
Related terms
Meridian: A meridian is an imaginary line joining the north and south poles at right angles to the equator, identified by a longitudinal number.
Prime Meridian: This is zero degrees longitude and serves as an international baseline for time zones. It passes through Greenwich, London.
Equator: This is an imaginary line around Earth that divides it into two equal parts - Northern Hemisphere and Southern Hemisphere. It sits at zero degrees latitude.
"Longitude" appears in:
Subjects (1)
AP Calculus AB/BC
Study guides (1)
AP Human Geography - 1.1 Introduction to Maps and Types of Maps
Practice Questions (2)
What term refers to the exact position of a place on the earth's surface expressed in degrees of latitude and longitude?
What does longitude measure?
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About Us
About Fiveable
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Privacy Policy
CCPA Privacy Policy
Resources
Cram Mode
AP Score Calculators
Study Guides
Practice Quizzes
Glossary
Cram Events
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Crisis Text Line
Help Center
© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.