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Across the Galaxies

What appears to be a mapping of the galaxies by the Hubble telescope is a reflection optical microscopic image of a dried polymer latex. Here, a droplet of a suspension containing a dyed polymer latex was dried on a polished silicon substrate. Like in a coffee stain, the drying of the droplet left behind small mountains of the latex particles which, by optical reflection microcopy, produces the bands of colors. These are just like contour maps where each color corresponds to a height or thickness of the dried latex. The colors appear to be very bright, since the latex particles contain a dye that is fluorescent.

Image produced by the: Bryan Coughlin Research Group
Image submitted by: Sabine Fluegel