| 11. | ;200px The red circles are supposed to be two pairs of great circles.
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| 12. | They are set on the great circle course from San Francisco to Guadalcanal.
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| 13. | They formed a great circle, moving down the hillside and up the muddy road.
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| 14. | Great circles corresponding to parallel lines intersect on the equator.
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| 15. | Otherwise, great circle mileage from Google Earth will be used.
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| 16. | So each great circle gives a line through the origin.
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| 17. | In this family, the great circle of life looks more like a racing oval.
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| 18. | However, the actual great circle midpoint between these two cities lies in central Congo.
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| 19. | Meridians correspond to sections of great circles passing though the centre of the fovea.
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| 20. | The article great circle distance may be the most direct article to start reading.
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