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IKAROS, the first space-probe with a solar sail in flight (artist's depiction), featuring a typical square sail configuration of almost 200 m 2. Solar sails (also known as lightsails, light sails, and photon sails) are a method of spacecraft propulsion using radiation pressure exerted by sunlight on large surfaces. A number of spaceflight ...
[citation needed] Additionally, a control pod is used rather than direct tension on multiple kite control lines; only one line runs the full distance from kite to ship, with the bridle lines running from kite to control pod. Power to the pod is provided by cables embedded in the line; the same line also carries commands to the control pod from ...
The objectives of the CubeSail mission are to demonstrate the concept of solar sail propulsion of a 3-axis stabilised 25 m 2 solar sail for one year while in low Earth orbit; and to demonstrate the use of gossamer structures (very light gauze-like fabric) as a drag augmentation device for satellite de-orbiting. [6]
Small solar sails (devices that produce thrust as a reaction force induced by reflecting incident light) may be used to make small attitude control and velocity adjustments. This application can save large amounts of fuel on a long-duration mission by producing control moments without fuel expenditure.
As a solar sail, LightSail's propulsion relies on solar radiation and not the charged particles of the solar wind. [13] Solar photons exert radiation pressure on the sail, which produces an acceleration on the spacecraft relative to the ratio of the sail's area to its mass. As such, the design challenge was to maximize the surface area of the ...
Artist's concept of a heliogyro, proposed to visit Halley's Comet in 1986. Each blade would be 8 m (26 ft) wide and 6.2 km (3.9 mi), for 0.6 km 2 (0.23 sq mi) of sail area. Solar sail types. A heliogyro could have dozens of blades. UltraSail is a proposed type of robotic spacecraft that uses radiation pressure exerted by sunlight for propulsion.
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