What is hence, any globe or globular body, especially a celestial one, as the sun, a planet, or the earth. Of celestial bodies, first the sun, A mighty sphere, he framed. Milton called?

sphere — Hence, any globe or globular body, especially a celestial one, as the sun, a planet, or the earth. Of celestial bodies, first the sun, A mighty sphere, he framed. Milton. (Webster's 1913.)