Celestial bodies

小行星
Asteroid

Small rocky bodies, mostly between Mars and Jupiter.

The largest, Ceres, is about 940 km across.

Related terms

Venus — The brightest planet, reaching about 47° elongation.
Jupiter — The largest planet, around −2.5 magnitude.
Saturn — The ringed planet; separating rings from disc needs about 30×.
Mars — The red planet, about −2.9 magnitude at opposition.