hypothetical – adj. involving or based on a suggested idea or theory; based on a hypothesis

propulsion – n. a force that moves something forward

compact – adj. smaller than other things of the same kind

arrange – adj. organized in a certain order or position

warp – adj. related to speed that is extremely fast, even faster than light, usually found in works of science fiction

interstellar – adj. between the stars

prototype – n. a first model of something that serves as the basis for future developments
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