Can you distinguish between planets and stars?

Explanation

To distinguish between planets and stars, we can follow these steps:

### Step 1: Observe Twinkling
- **Observation**: Look at the night sky. Stars appear to twinkle, while planets do not.
- **Explanation**: The twinkling of stars is caused by the Earth's atmosphere, which affects the light coming from them. Planets, being closer to Earth, generally shine steadily.

### Step 2: Check for Light Emission
- **Observation**: Determine if the object emits its own light.
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