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Profile: Dr. Joanne 'Joe' Hill

What is this image?

What is this image?

Downhill Uphill
Two photos of the GEMS (Gravity Extreme Magnetism SMEX) Engineering Test Unit. The one on the left is the fully assembled unit with the cover removed. The one on the right shows the GEM-readout board detector assembly, where GEM, in this case, is the Gas Electron Multiplier.
Publication Date: February, 2012


Archived Biographies

 

A service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA/GSFC

NASA Logo, National Aeronautics and Space Administration
Goddard