International Space Station 80mm Photograph

Image credit:  Image Science and Analysis Laboratory, NASA Johnson Space Center (http://eol.jsc.nasa.gov)

HORSESHOE HARBOR 47.47N, 87.82W

The link is to the stromatolite fossils found in Horseshoe Harbor.

ZERO MAGNIFICATION  IMAGE

REFLECTANCE SPECTRUM

1X  MAGNIFICATION  (RED LINE  = 1MM)

3X  MAGNIFICATION  (RED LINE  = 1MM)