Summary:
- The article discusses the launch of the first solar sail satellite, which is a new type of spacecraft that uses the pressure of sunlight to propel itself through space.
- The solar sail satellite, named LightSail 2, was developed by The Planetary Society and successfully deployed its large, reflective solar sail in Earth's orbit, demonstrating the potential of this technology for future space exploration.
- The article highlights the advantages of solar sail technology, such as its ability to travel long distances without the need for onboard fuel, making it a cost-effective and environmentally friendly option for space missions.