Terminator

moon110913.jpg

Terminator: “The boundary between the illuminated part of the Moon’s disc and the dark part is called the terminator. At the time of the quarter moon, it is essentially a straight line running north-south. At other times it will appear as a curved line.”

(Taken handheld earlier tonight with my son Thom’s nice 70-200 Canon zoom lens. Click on the image for a larger version.)

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