caption: Line broadening can be due to a variety of causes
exif: {"Image DocumentName": "Line broadening can be due to a variety of causes", "Image ImageDescription": "Figure Line Profile By tracing the changing brightness across a typical emission line (a) and expanding the scale, we obtain a graph of the line\u2019s intensity versus its frequency (b)", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}