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LightSail 2 is officially in space! The Planetary Society's solar sail CubeSat lifted off from Kennedy Space Center, Florida on 25 June at 02:30 EDT (06:30 UTC). The late-night launch came courtesy of SpaceX's triple-booster Falcon Heavy rocket, which was carrying 24 spacecraft for the U.S. Air Force's STP-2 mission.
CubeSats have made low-cost space missions a reality for universities and research groups. However, these tiny satellites lack propulsion. LightSail will demonstrate the viability of solar sailing for CubeSats.