Differentiate between
asteroids and comets

Explanation

To differentiate between asteroids and comets, we can outline their characteristics in a structured manner. Here’s a step-by-step breakdown:

### Step 1: Composition
- **Asteroids**: They are primarily composed of rock and metal. They are irregularly shaped solid bodies.
- **Comets**: Comets are made up of ice, dust, and rocky material. They are often described as large frozen masses.

### Step 2: Size
- **Asteroids**: The size of asteroids can vary significantly, ranging from less than a kilometer to hundreds of kilometers in diameter.
...