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LightSail 2 was a fully functional spacecraft intended to demonstrate true solar sailing [6] and incorporated the lessons learned from LightSail 1. LightSail is a follow-on project to Cosmos 1 — a solar-sail spacecraft designed by The Planetary Society in the early 2000s, which was destroyed during a launch failure in 2005. Both LightSail ...
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A high-performance sail could be made of lithium alone at 20 nm (no emission layer). It would have to be fabricated in space and not used to approach the Sun. In the limit, a sail craft might be constructed with a total areal density of around 0.02 g/m 2, giving it a lightness number of 67 and a c of about 400 mm/s 2.
LightSail 2 with deployed solar sail. Project Forward was launched in 2011 with the purpose of exploring beamed energy propulsion. The project aims to analyze and assess past beamed-powered concepts, describe the construction of sail designs, and provide a starsail system concept. Challenges include lossy divergence of the beam as well as sail ...
StarChip is the name used by Breakthrough Initiatives for a very small, centimeter-sized, gram-scale, interstellar spacecraft envisioned for the Breakthrough Starshot program, [1] [36] a proposed mission to propel a fleet of a thousand StarChips on a journey to Alpha Centauri, the nearest star system, about 4.37 light-years from Earth.
A laser-pushed lightsail is a thin reflective sail similar to a solar sail, in which the sail is being pushed by a laser, rather than the sun.The advantage of lightsail propulsion is that the vehicle does not carry either the energy source or the reaction mass for propulsion, and hence the limitations of the Tsiolkovsky rocket equation to achieving high velocities are avoided.
This working group exists to help editors collaborate on SpaceX's articles, which include the company's launch vehicles, spacecraft, space missions, vessels facilities, people, projects, and more. Though not official, it is a de facto place for discussing a wider topic of private spaceflight , which may include other companies and initiatives.