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Orion: America's Next Generation Spacecraft (4.7 Mb PDF) - NASA

Orion: America's Next Generation Spacecraft (4.7 Mb PDF) - NASA

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SOLAR ARRAY Tech Note:<br />

<strong>Orion</strong>’s solar cells are made with gallium<br />

arsenide, a semiconductor with a greater<br />

saturated electron velocity and mobility<br />

than that of silicon. Their high efficiency and<br />

resistance to heat and radiation have made<br />

these the preferred solar cells for powering<br />

satellites and other spacecraft.

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