The position of the new planet was calculated from the movements of uranus and subsequently identified telescopically .
他们根据天王星的运动，经过计算得出了新行星的位置。
Neptune was subsequently found within a degree of its predicted position , and its largest moon , triton , was discovered shortly thereafter , though none of the planet 's remaining 12 moons was located telescopically until the 20th century .
