Can thermal radiations pass through vacuum?

Explanation

**Step-by-Step Solution:**

1. **Understanding Thermal Radiations**:
- Thermal radiations are primarily in the form of infrared waves. These waves carry heat energy and are a part of the electromagnetic spectrum.

2. **Nature of Electromagnetic Waves**:
- Electromagnetic waves, including infrared waves, do not require a medium to travel. They can propagate through a vacuum, which is a space devoid of matter.

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