LightSail Then and Now
Why the open web links it
Explores the history and realization of solar sailing, from Carl Sagan's vision to The Planetary Society's LightSail project.
Linked by 6 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including discovermagazine.com, planetary.org, freethoughtblogs.com, techworm.net, kpcw.org.