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The Bruce Murray Space Image Library

LightSail 1 Spacecraft Design

LightSail 1 Spacecraft Design

The Planetary Society

LightSail 1 Spacecraft Design

The LightSail 1 spacecraft contains 10 solar panels—four deployable arrays with panels on each side plus one panel on the top and one on the bottom of the spacecraft. Two 2-megapixel cameras mounted at the end of two of the solar panels.

Four Sun sensors mounted at the end of four of the solar panels. Six tiny ultra-sensitive accelerometers that will provide a direct measure of the light-force. A momentum wheel for attitude control (colored red in the diagram above). Three single axis gyros (yellow). Three torque rods (gray) also part of the attitude control system. And a battery (salmon-colored-looking like a laptop computer battery)."

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