Which is the brightest planet of the solar system?

Options

A. Earth
B. Uranus
C. Neptune
D. Venus

Explanation

**Step-by-Step Solution:**

1. **Identify the Options**: The question provides four options: Earth, Uranus, Neptune, and Venus.

2. **Understanding Brightness in Planets**: Brightness in planets can be influenced by their distance from the Sun, their atmosphere, and their reflective properties.

3. **Analyzing Each Option**:
- **Earth**: While Earth is bright due to its atmosphere, it is not the brightest planet when viewed from space.
- **Uranus**: Uranus is a gas giant and is quite far from the Sun, making it less bright.
- **Neptune**: Similar to Uranus, Neptune is also a gas giant and is very distant, resulting in lower brightness.
- **Venus**: Venus is often referred to as the "Evening Star" or "Morning Star" because it is visible shortly after sunset and before sunrise. It has a thick atmosphere that reflects sunlight very effectively.

4. **Conclusion**: Based on the analysis, Venus is the brightest planet in the solar system.

5. **Final Answer**: The brightest planet of the solar system is Venus.

---