caption: Blue Sky Description: on clear days the sky is blue and on hazy days the sky is white. Physical process: Rayleigh scattering by air molecules.
exif: {"Image DocumentName": "Blue Sky Description: on clear days the sky is blue and on hazy days the sky is white. Physical process: Rayleigh scattering by air molecules.", "Image ImageDescription": "Explanation: shorter l (violet, blue) are scattered more efficiently by air molecules than longer l (red). Conclusion: Clear sky, distant objects have a bluish hue.", "Image XResolution": "200", "Image YResolution": "200", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}