To test a crucial tool of a spacecraft that will fly closer to the sunlight than any previously, engineers at Oak Ridge National Laboratory and the University of California, Berkeley used ORNL's effective plasma-arc lamp as a solar warm flux simulator. Tests at ORNL revealed the instrument can take the heat it will run into during NASA's Solar Probe Plus goal. When the spacecraft launches in 2018, it will lug tools for several experiments aimed at recognizing just how the solar corona heats and solar wind increases. 1 Space's extreme environment makes testing the Fields tool under high heat change a vital aspect of layout. During the ORNL tests, that temperature level was attained with the plasma-arc lamp operating at 58 percent power. NASA Gives GreenLight for Johns Hopkins APL to start constructing solar probe plus spacecraft.
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