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Easy to navigate — page-flip format looks like a real magazine and thumbnails instantly take you to the page you're looking for
These tests also replace the subjective estimate of Foucault shadow depths with true measurements based on the modern silicon detector array such as the CCD
in combination with the data reduction software that accompanies this book
The puzzle's small pieces may pose a possible choking hazard
as well as the largest and most active star-forming region in the galaxy
Night View Poster Not Shipbob Easy to navigate — page-flipThis stunning image of the Earth at night is both beautiful and saddening. The clarity of the continents from space is a testament to how light pollution has destroyed our view of the heavens. Also included are views of the Los Angeles Basin as seen from Mount Wilson in 1908 and the present. Use this striking poster to educate others about the loss of our precious natural resource, the night sky. Size: 34"x26"
