Triton and Nereid are moons of the planet :

Options

A. Neptune
B. Mars
C. Herschel
D. Pluto

Explanation

**Step-by-Step Solution:**

1. **Identify the Moons**: The question asks about Triton and Nereid, which are both moons.

2. **Determine the Planet**: We need to find out which planet these moons belong to.

3. **Research the Moons**: Triton is known as one of the largest moons in the Solar System and is specifically recognized as a moon of Neptune. Nereid is also a moon that orbits Neptune.

4. **Confirm the Discoveries**:
- Triton was discovered in 1846 using a visual telescope.
- Nereid was discovered later in 1949 through a telescopic photograph.

5. **Conclusion**: Since both Triton and Nereid are confirmed to be moons of Neptune, the answer to the question is Neptune.

**Final Answer**: Triton and Nereid are moons of the planet Neptune.

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