What colour of sky is seen from the surface of moon ? Give reasons to support your answer

Answer

### Step-by-Step Solution:

1. **Observation from the Moon**: When you are on the surface of the Moon and look up at the sky, you will see that it appears black.

2. **Reason for Black Sky**: The reason the sky appears black from the Moon is that there is no atmosphere on the Moon. Without an atmosphere, there are no particles to scatter sunlight.

3. **Understanding Scattering**: On Earth, the sky appears blue due to a phenomenon called Rayleigh scattering. The Earth's atmosphere contains dust and gas particles that scatter sunlight. Blue light is scattered more than other colors because it travels in shorter, smaller waves.

4. **Contrast with Earth**: On Earth, during the day, sunlight interacts with the atmosphere, and the blue light gets scattered in all directions, making the sky appear blue. At night, without sunlight, the sky appears black because there is no light to scatter.

5. **Conclusion**: Since the Moon lacks an atmosphere, there are no particles to scatter light, and thus the sky appears black when viewed from its surface.