Three moons and their shadows parade across Jupiter — beginning of event, annotated
{"Image ImageDescription": "This new NASA/ESA Hubble Space Telescope image captures\u00a0a rare occurrence as three of Jupiter\u2019s largest moons parade across the giant gas planet\u2019s banded face. The image shows the Hubble observation at the beginning of the event. On the left is the moon Callisto and on the right, Io. The shadows from Europa, which cannot be seen in the image, Callisto and Io are strung out from left to right. The movement of the moons is shown in the video created from Hubble stills.", "Image Orientation": "Horizontal (normal)", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop CC 2014 (Windows)", "Image DateTime": "2015:02:04 15:28:11", "Image ExifOffset": "174", "EXIF ExifVersion": "0220", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "1280", "EXIF ExifImageLength": "1280"}