Greatest Eclipse and Greatest Duration: What’s the Difference?

Portal origin nid: 
407739
Published: 
Thursday, August 17, 2017 - 10:34
Featured (stick to top of list): 
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Portal text teaser: 
Two points along the shadow’s path are of particular interest to eclipse viewers seeking the longest-lasting totality: the point of greatest eclipse and the point of greatest duration. But neither is necessarily greater than the other. So what is the difference between the two?
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