''The earth is not in thermal equilibrium with the sun.'' Why ?

Explanation

To understand why the Earth is not in thermal equilibrium with the Sun, we can break down the explanation into several steps:

### Step-by-Step Solution:

1. **Definition of Thermal Equilibrium**:
- Thermal equilibrium occurs when two bodies exchange energy in such a way that they maintain a constant temperature. This means that the amount of energy received by each body is equal to the amount of energy lost.

2. **Energy Exchange Between Earth and Sun**:
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