This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Vacuum chamberbeing opened by engineer.jpeg Photo of vacuum chamber being opened by an engineer Original caption The testbed experiments are conducted inside an enormous vacuum chamber that simulates the conditions of space Courtesy NASA Obtained from jpl nasa gov cfm en Kevin Saff en PDUSGOV PDUSGov original upload log page