Which is the farthest planet of the solar system ?

Options

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

Explanation

**Step-by-Step Solution:**

1. **Identify the Planets in the Solar System**: The solar system consists of several planets, including Jupiter, Neptune, Earth, and Mars.

2. **Understand the Concept of Distance from the Sun**: The distance of a planet from the Sun determines how far it is in the solar system. The farther the planet is from the Sun, the larger the distance in kilometers.

3. **Evaluate the Options**:
- Jupiter is the largest planet but is not the farthest.
- Earth is our home planet and is relatively close to the Sun.
- Mars is the fourth planet from the Sun, which is also not the farthest.
- Neptune is the eighth planet from the Sun.

4. **Determine the Farthest Planet**: Based on the order of the planets from the Sun, Neptune is the farthest planet in our solar system.

5. **Confirm the Distance**: Neptune orbits the Sun at an average distance of approximately 4.498 billion kilometers.

6. **Historical Context**: Neptune was discovered by the German astronomer Johann Gottfried Galle on September 23, 1846.

7. **Conclusion**: Therefore, the farthest planet in the solar system is Neptune.

**Final Answer**: The farthest planet of the solar system is Neptune.

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