Head is not part of the structure of a comet.
The parts of comet are:-
- Nucleus. The nucleus of a comet is also known as the core.
- Coma. The spherical envelope of gas that surrounds a comet's nucleus is called a coma.
What is comet?
- Comets are frozen leftovers from the formation of the solar system composed of dust, rock, and ices.
- They range from a few miles to tens of miles wide, but as they orbit closer to the Sun, they heat up and spew gases and dust into a glowing head that can be larger than a planet.
- A comet is an icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process that is called outgassing.
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