caption: Young Star Cluster with an HII Region
exif: {"Image DocumentName": "Young Star Cluster with an HII Region", "Image ImageDescription": "High-mass protostars becomes hot,ultraluminous stars of spectral types O and B. Ultraviolet radiation from these exposed young stars ionize the surrounding interstellar medium to produce H II region, or emission nebula.", "Image XResolution": "200", "Image YResolution": "200", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}