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Advantages Merits of using this propulsion system • Efficient as 100 percent of mass of matter and antimatter is converted into energy • Produces a large amount of energy that is about 1000 times nuclear fission energy and about 300 times more than nuclear fusion energy • It would allow the spacecrafts to reach the nearby stars and solar system in a fraction of time that is required by space shuttles using hydrogen-oxygen fuel • Fuel required will be less as energy produced per gram increases Demerit -Lack of antimatter substance existing in the universe. Tether technology is the last propulsion technique we are going to study. | ||