An interesting piece on slate.com.
http://www.slate.com/id/2159172/nav/tap1/
This reminds me of the Ansel Adams' Autumn Moon: the High Sierra From Glacier Point photo that was in the news a year ago. Astronomers figured out the day when the moon would be in the exact same position it was in when Adams made his famous image. Photographers from all over came out to try to duplicate the photo.
http://www.space.com/scienceastronom...dams_moon.html
My biggest inspiration for taking photos comes from looking at other peoples work. Does that make me a plagiarist?