Coordinates: 42°26′23″N 76°29′56″W / 42.4396966°N 76.498887°W / 42.4396966; -76.498887 The Sciencenter's Sagan Planet Walk is a walk...
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Showing posts with label sagan. Show all posts
Showing posts with label sagan. Show all posts
Sunday, November 18, 2018
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