original: the first fifteen asteroids to be discovered were given symbols by astronomers as a type of short-hand notation .
simplifications: the first fifteen asteroids to be found were given symbols by astronomers as a type of short-hand labeling . the first fifteen asteroids to be discovered were given symbols by -lrb- 1 -rrb- astronomers as a type of short-hand notation . the first fifteen asteroids to be found were given symbols by astronomers as a type of short-hand writing . the first fifteen discovered asteroids were named by symbols . the first fifteen asteroids discovered were given symbols by astronomers as a short hand notation . the first fifteen asteroids to be found were given symbols by astronomers as a type of short-hand code . they are used short hand notation for discovere the first fifteen asteroids the first fifteen discovered asteroids were given symbols as a type of short-hand notation by astronomers .