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Earth's grey line, terminator or twilight zone


anotherfilthyape
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Hi, thanks, anyone out there can tell me what is the width of the Earth's grey line, terminator or twilight zone? I know it varies from North to South and by the presence or absence of mountains so... I want this data;

 

1.The width of Earth's terminator at its thickest (at sea level) in a plain field (with no hills or mountains)

 

2.The width of Earth's terminator at its narrowest (at sea level) in a plain field (with no hills or mountains)

 

3.The average width of Earth's terminator, at sea level, in a plain field (with no hills or mountains); by average I mean mode (or, otherwisem the airthmetic-geometric mean, either way specify which kind of average is used, thanks)

 

Edit: I guess that how much close we are to a solstice or equinox might also affect it, so consider extremes please and averages...

Edited by anotherfilthyape
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