Jupiter's Great Red Spot.
And now for the benefit of my dear sister who loves a picture; I finish with the Linear Particle Accelerator which although its sounds energetic, is making me feel depleted and unfortunately, a tad grumpy.
The Linear Particle Accelerator (LINAC)
The linear accelerator uses microwave technology (similar to that used for radar) to accelerate electrons in a part of the accelerator called the "wave guide," then allows these electrons to collide with a heavy metal target. As a result of the collisions, high-energy x-rays are produced from the target. These high energy x-rays are shaped as they exit the machine to conform to the shape of the patient's tumor and the customized beam is directed to the patient's tumor. The beam comes out of a part of the accelerator called a 'gantry' which can be rotated around the patient. Radiation can be delivered to the tumor from any angle by rotating the gantry and moving the treatment couch. www.radiologyinfo.org
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