{"version":"1.0","type":"link","title":"Solar sail - Newikis","description":"A solar sail (or light sails or photon sails) is a proposed method of spacecraft propulsion using radiation pressure exerted by sunlight. The word 'sail' is by analogy with boats which use a sail to use wind to move. The concept was first proposed in the 17th century by Johannes Kepler. He had a…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/3/36/Solar_Sail_%2814914129324%29.jpg/1280px-Solar_Sail_%2814914129324%29.jpg","thumbnail_width":1280,"thumbnail_height":1280}