Uploaded May 2010 | Updated September 2026, 2 weeks ago

Lens cloud and Lee waves caused by mountain range below. Near Vancouver Canada.

Boiling water with a soldering iron in microgravity

$Plasma Exhaust From The VASIMR VX-200i, HD This is one test firing in a series of experiments with the VASIMR VX-200 plasma rocket prototype. The rockets 1st stage (a Helicon plasma source) was fired at 30 kW using a state-of-the-art solid state RF power supply, and the rockets 2nd stage was fired at 109 kW using a second solid state RF power supply. Argon gas was used as the propellant, and gives a distinctive purple/blue/UV glow. The second half of the video is slowed down to 1/10 speed during the firing of the second stage. The plasma diagnostics that can be seen in this video are situated on an x-y motion stage capable of moving side to side 200cm and in an out 500cm with 0.5mm precision. Because of the extreme temperatures and heating within the plasma exhaust, the diagnostics are all constructed out of refractory metals, high temperature ceramics, or graphite (or all three). The rocket and everything else seen in this video is located within a vacuum chamber, used to simulate the vacuum environment of space. Two cameras mounted within the vacuum chamber record a simultaneous top view and side of the VX-200 plasma exhaust. The VX-200 is the precursor to the VF-200, a flight demonstration unit that is intended to fly on the International Space Station (ISS). http://www.nasa.gov/home/hqnews/2008/dec/HQ_08-332_VASMIR_engine.html www.adastrarocket.com$

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Plasma Ben |

Lens cloud and mountain waves