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Contact: Diana Lutz
Washington University in St. Louis

Pierre Haenecour, Washington University in St. Louis

Caption: This is Haenecour with the NanoSIMS 50 ion microprobe he used to look for presolar grains in a primitive meteorite. The silica grain he found is too small to be seen with the unaided eye, but the microprobe can magnify it 20,000 times, to about the size of a chocolate chip.

Credit: Manivi Jadhav

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Related news release: Grains of sand from ancient supernova found in meteorites

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