The total energy of the earth `+` Sun system is negative. How do you interpret the negative energy of a system?

Explanation

To interpret the negative total energy of the Earth-Sun system, we can break down the explanation into several steps:

### Step-by-Step Solution:

1. **Understanding Total Energy**:
The total energy of a system in gravitational terms is the sum of its kinetic energy (KE) and potential energy (PE). For the Earth-Sun system, the potential energy is negative due to the attractive nature of gravity.

2. **Gravitational Potential Energy**:
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