word of the day nautical mile: one minute of arc length of latitude or longitude at the equator, or...
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Word of the Day
Nautical Mile: One minute of arc length of latitude or longitude at the equator, or 1852m.
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Chapter 2 - Mapping Our World2.1 Latitude and Longitude**Lines of Latitude and Longitude are used to locate places on Earth.**
Longitude - The distance east or west of the Prime Meridian: The prime meridian = 0º Longitude. It is a vertical line that runs through the Royal Naval Observatory in Greenwich, England.
**Lines of Latitude and Longitude are used to locate places on Earth.**
Longitude - The distance east or west of the Prime Meridian: The prime meridian = 0º Longitude. It is a vertical line that runs through the Royal Naval Observatory in Greenwich, England.
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Longitude•Lines of Longitude are not parallel.
•They are semicircles from the North Pole to the South Pole.
•Degrees Longitude are measured East and West of the Prime Meridian.
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Degrees of Longitude•Degrees are measurements of distances between lines of longitude.•Distance change based on corresponding Latitude.
•1 Degree longitude at equator = 111km. •1 Degree longitude at poles = 0km
•Longitude is also divided into Minutes ( ’ ) and Seconds ( ” ).
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Coordinates:•To locate an exact location you need both degrees Latitude and degrees Longitude.
•A coordinate set: (Latitude, Longitude)
•In the picture, Charlotte is located at (35º14’N,80º50’W)
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Time Zones:
•Objective: Students will be able to add and subtract time.•Students will be able to convert local time to Greenwich Mean Time.
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Time Zones:
•Because there are 24 hours in a day, there are 24 time zones. •Each time zone is 15º Longitude wide.•In the U.S. we have 6 time zones.
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•The International Date Line is the transition line for calendar days. •It is 180º opposite of the Prime Meridian.•If you cross it going west, you advance a day. •If you cross it going east, you go back a day.
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