Contact: Liz Zubritsky
elizabeth.a.zubritsky@nasa.gov
301-614-5438
NASA/Goddard Space Flight Center
Caption: To simulate damage from solar wind particles and cosmic rays, scientists in Goddard's Cosmic Ice Lab irradiate ice with this Van de Graaff accelerator. High voltage builds up in the 10-foot-long tube (left), culminating in the beam source (right) at the far end.
Credit: NASA
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