Which is the largest planet in the solar system ?

Options

A. Jupiter
B. Neptune
C. Earth
D. Mars

Explanation

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks for the largest planet in the solar system.

2. **List the Options**: The options provided are Jupiter, Neptune, Earth, and Mars.

3. **Recall Planetary Sizes**: To determine which planet is the largest, we need to recall the sizes of the planets in our solar system.

4. **Analyze Each Option**:
- **Earth**: Known as the third planet from the Sun, it is not the largest.
- **Mars**: The fourth planet from the Sun, it is smaller than Earth.
- **Neptune**: The eighth planet from the Sun, it is large but not the largest.
- **Jupiter**: The fifth planet from the Sun, known for its massive size.

5. **Conclusion**: Based on the knowledge of planetary sizes, Jupiter is the largest planet in the solar system.

6. **Final Answer**: The largest planet in the solar system is **Jupiter**.

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