Degrees minutes and seconds: human time and distance scale

It helps to have a tangible reference point when talking about degrees minutes and seconds.

If you plan journey using degrees minutes and seconds these are the real world parameters.

1 degree of an arc is = 60 Nautical miles = 69 Statute miles = 111.12 Kilometers

About 4-5 days walking at a typical speed on roads.

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1 minute of an arc = 1 nautical mile = 6076 feet = 1.15 statute miles  = 1.852 kilometers

About 20 minutes of time walking at a typical speed on roads.

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1 second of an arc is therefore 101.2666 feet  = 101 + 4/15  feet =  101 feet 3.2 inches = 33.755 yards  = 30.866 meters

20 to 30 seconds of time walking.

The size of a large house.

I did try to compare this distance to a football/soccer field. but even that is not standardized, if the most widely played sport has no standardized  field size, it explains why we are in the mess we are currently in.

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