Biggest Comet known to man is:

Options

A. Halley
B. Vega
C. Capella
D. Kohoutek

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the biggest comet known to man. To answer this, we need to identify the comet that has the largest size or mass.

2. **Identifying Comets**: Some of the well-known comets include Halley's Comet, Comet Hale-Bopp, and Comet C/1995 O1 (Hale-Bopp). Among these, Hale-Bopp is often recognized as one of the largest comets observed.

3. **Researching Hale-Bopp**: Comet Hale-Bopp was discovered in 1995 and is known for its impressive size. It has a nucleus estimated to be about 40 kilometers (25 miles) wide, making it one of the largest comets ever observed.

4. **Conclusion**: Based on the information gathered, the biggest comet known to man is Comet Hale-Bopp.

5. **Final Answer**: The biggest comet known to man is Comet Hale-Bopp.

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