How does the heat from the sun reach the earth ?

Explanation

**Step-by-Step Solution:**

1. **Understanding the Sun and Earth Relationship**: The sun is a massive source of energy, and the Earth is located at a considerable distance from it.

2. **Identifying the Medium**: The space between the sun and the Earth is a vacuum, which means it does not contain any matter.

3. **Modes of Heat Transfer**: There are three primary modes of heat transfer: conduction, convection, and radiation.
- **Conduction**: Heat transfer through direct contact between materials.
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