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LightSail

Flight by light for CubeSats

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LightSail-1 has a launch date! The Planetary Society's solar sailing spacecraft is scheduled to launch aboard the SpaceX Falcon Heavy in April 2016. 

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Josh Spradling / The Planetary Society

LightSail-1 Mission Trailer

CubeSats are tiny, low-cost satellites that have opened up new avenues of space research for universities and small organizations.

In order for CubeSat applications to reach the next level, the miniature satellites need a reliable form of propulsion for orbital maneuvers and trips beyond our planet. This is where solar sailing—transferring the momentum of photons to a large reflective sail—comes in. The technology was successfully used by Japan’s IKAROS mission in 2010, and NASA’s NanoSail-D test-deployed a CubeSat solar sail in Earth orbit later that year.

In 2016, The Planetary Society’s LightSail program will take the technology a step further. LightSail-1 will attempt to demonstrate controlled solar sailing—flight by light—for CubeSats.

Project updates

Want to build on our LightSail work? Here are some resources to get started

Posted by Jason Davis on 2017/01/13 10:30 CST | 3 comments

The Planetary Society is launching a new webpage showcasing LightSail academic papers, schematics, parts and imagery.

Read More »

Ground finale? Deployment test moves LightSail 2 closer to handoff

Posted by Jason Davis on 2016/12/06 08:34 CST | 2 comments

LightSail 2 successfully demonstrated all of its critical functions during what may have been the CubeSat's final end-to-end systems test at Cal Poly San Luis Obispo.

Read More »

LightSail 2 update roundup: Testing, delivery and a new animation in the works

Posted by Jason Davis on 2016/10/07 06:01 CDT | 4 comments

LightSail 2 and Prox-1 are expected to meet for integration by the end of the year. Here's an update roundup, including a sneak peek of new animations and the abstract from a recently accepted paper on the spacecraft's attitude control system.

Read More »

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