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In 2000, Energy Science Laboratories developed a new carbon fiber material that might be useful for solar sails. [60] [61] The material is over 200 times thicker than conventional solar sail designs, but it is so porous that it has the same mass. The rigidity and durability of this material could make solar sails that are significantly sturdier ...
A diffractive solar sail, or diffractive lightsail, is a type of solar sail which relies on diffraction instead of reflection for its propulsion. [ 1 ] [ 2 ] Current diffractive sail designs use thin metamaterial films, containing micrometer-size gratings based on polarization or subwavelength refractive structures, causing light to spread out ...
IKAROS (Interplanetary Kite-craft Accelerated by Radiation Of the Sun) is a Japan Aerospace Exploration Agency experimental spacecraft.The spacecraft was launched on 20 May 2010, aboard an H-IIA rocket, together with the Akatsuki (Venus Climate Orbiter) probe and four other small spacecraft.
The NASA-funded Diffractive Solar Sailing project is developing technologies to fly spacecraft through the cosmos propelled entirely with photons from sunlight. NASA looks to solar sails as a way ...
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[21] [22] The ultrathin 'sail' material was only 5 μm thick with a low weight of about 32 kilograms (70 lb). [23] To control its orientation, Sunjammer would have used gimballed vanes (each of which is itself a small solar sail) located at the tips of each of its 4 booms completely eliminating the need for standard propellant. [22]