Older Star Cluster and its H-R diagram
{"Image DocumentName": "Older Star Cluster and its H-R diagram", "Image ImageDescription": "Plleiades, ~ 50 million year old. Almost all stars arrived at the main sequence.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}