SP-345 Evolution of the Solar System

 

 

FIGURE 218.8.- Plasma deceleration as a function of impinging velocity in the Danielsson experiment.

FIGURE 218.8.- Plasma deceleration as a function of impinging velocity in the Danielsson experiment. Plasma velocity vz=1 in the neutral gas cloud of helium, 1 cm beyond the cloud center, as a function of the initial plasma vacuum velocity v0 is shown. The critical velocity vcrit for helium is indicated. For v0 less than vcrit there was no change in velocity;vz=1 = v0 . For v0 greater than vcrit deceleration was marked; vz=1 remained close to vcrit (From Danielsson, 1969b.)
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