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What's
this? Hieroglyphic of a hockey goal? Bottom of a clay pot?
It's an SEM image of a NanoSIMS mount containing
presolar graphite grains (1-20 µm across) from the Orgueil
meteorite. The grid in the center is pressed into gold foil.
(Image courtesy of Manavi Jadhav
and Ryan Zeigler)
SEM: scanning electron microscope
SIMS: secondary-ion mass spectrometry
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