Pierre Haenecour, Washington University in St. Louis (IMAGE)

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

Usage Restrictions

Please credit

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.