To identify Earth’s Moon, it is generally capitalized. In this activity, the size of the celestial body, Ceres, is compared to the size of the Moon. MAKE A MODEL COMPARING THE SIZE OF CERES TO THE MOON 1.Use a pencil and ruler to make two dots on a 12-inch (30-cm) square piece of poster board [...]

Astronomy for Every Kid: 101 Easy Experiment That Really Work A dwarf planet is a celestial body that: orbits a sun has enough mass to give it a nearly round shape is not a satellite of another object has not cleared out all the objects in its own orbit This definition of a dwarf planet [...]