Gdansk

International Space Station 180mm Photograph Image credit: Image Science and Analysis Laboratory, NASA Johnson Space Center (http://eol.jsc.nasa.gov)	GDANSK 54.37N, 18.63E The link is to the Wikipedia page on Gdansk.

ZERO MAGNIFICATION IMAGE	REFLECTANCE SPECTRUM


1X MAGNIFICATION (RED LINE = 1MM)	2X MAGNIFICATION (RED LINE = 1MM)

Return to Polish Sand to view high resolution versions of all Polish sand samples. Click the thumbnails above to view high resolutioin versions of these images. This sample was contributed by a physical science teacher at the Elkhorn Area High School, Elkhorn, Wisconsin.