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mission – n. the flight of a spacecraft to perform a certain task or job
sample – n. a small amount of something that gives information about what it was taken from
probe – n. a vehicle used to examine or observe something closely
layer – n. a level of something spread over an area
asteroid – n. small planets or space rocks that orbit the sun
capability – n. the ability to do a certain job or task
mirror – n. a piece of glass that reflects light or images
