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Portable Network Graphic  |  1996-04-23  |  8KB  |  242x277  |  8-bit (44 colors)
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OCR: RANDOM-WALK PATH RANDOM WALK describes the path followed by photons - packets of electromagnetic radiation - as they travel outward from the Sun's core in the form of high-energy gamma radiation. The photons are absorbed and reradiated by gas particles in the Sun's radiation zone. After 2 million years, the photons emerge from the Sun as lower-energy heat and light.