tardigrades
Robert Pickett/Getty Images01Despite being less than a millimeter in length, it's quite straightforward to photograph tardigrades, also known as water bears.
Robert Pickett/Getty Images02All it takes to capture closeups of these tiny astronauts is a light microscope connected to a camera.
Roland Birke/Getty Images03
Robert Pickett/Getty Images04
Power and Syred/Getty Images05Unlike light micrographs which capture images using optics, scanning electron micrographs are produced by focusing a beam of electrons to detect surface topography.
Steve Gschmeissner/Getty Images06The resulting image has a much more detailed and opaque quality.
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