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The Prime Meridian is the reference line. That's the meridian of longitude that joins the

north and south poles and passes through a mark on the floor of the transit room of the

Royal Observatory at Greenwich, a suburb of London. By international agreement, that

line is zero longitude. All others are measured east or west from it, from zero to 180°.

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Thomas Lynch

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3y ago

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Related Questions

What is the name of the starting line for determining longitude?

prime meridian


How do you spell prime merredian?

The correct spelling is "prime meridian." It is the line of longitude at 0 degrees, used as the starting point for measuring longitude and determining time zones.


Is the prime meridian a line of latitude or a line of longitude?

The Prime Meridian is a line of longitude, and it sits at 0 degrees longitude.


What is the reference line when determining the longitude?

The Prime Meridian is the reference line. That's the meridian of longitude that joins the north and south poles and passes through a mark on the floor of the transit room of the Royal Observatory at Greenwich, a suburb of London. By international agreement, that line is zero longitude. All others are measured east or west from it, from zero to 180°.


What is the significance of the Greenwich Line in determining time zones around the world?

The Greenwich Line, also known as the Prime Meridian, is significant in determining time zones around the world because it serves as the starting point for measuring longitude. Time zones are based on lines of longitude, and the Greenwich Line helps establish a standard reference point for coordinating time across different regions. This allows for a consistent and globally recognized system of timekeeping.


Which line of longitude is found opposite of the Prime Meridian?

The major line of longitude located at 180 degrees longitude is the International Date Line.


Is the prime meridian the latitude line?

No, its the longitude line. Its 0 degress longitude.


What is another name for the line of longitude?

another name for a line of longitude is meridian.


Is 104 degrees west a line of longitude or latitude?

104W is a longitude line. Anything labelled as "E" or "W" is longitude.


What is the name of the line that is 0 longitude?

The name of the line that has 0 longitude is the prime meridian


What is the invisible line at zero longitude?

The Prime Meridian is the invisible line at zero longitude


How are line of longitude also called?

A line of constant longitude is often referred to as a 'meridian'.