Jerry
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Welcome! (start here)
Messages Must Be
Personal
Fun
Leisure
Hobbies (from hobby-horses)
My Hobbies
Sailing
Solar (Light, Photon) Sails
LightSail
Attachments
LightSail | The Planetary Society
Parents
Solar (Light, Photon) Sails
The Planetary Society (1980)
Children
LightSail
LightSail 1 (2015, flawed)
LightSail 2 (2019)