Full disc of the sun with tiny dot of planet Mercury visible as it travels across
{"Image ImageDescription": "The planet Mercury is seen in silhouette, lower third of image, as it transits across the face of the sun Monday, May 9, 2016, as viewed from Boyertown, Pennsylvania.  Mercury passes between Earth and the sun only about 13 times a century, with the previous transit taking place in 2006.  Photo Credit: (NASA/Bill Ingalls)", "Image Make": "NIKON CORPORATION", "Image Model": "NIKON D500", "Image XResolution": "240", "Image YResolution": "240", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop Lightroom 6.5.1 (Macintosh)", "Image DateTime": "2016:05:09 09:32:55", "Image Artist": "NASA/Bill Ingalls", "Image Copyright": "(NASA/Bill Ingalls)", "Image ExifOffset": "618", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "240", "Thumbnail YResolution": "240", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "1362", "Thumbnail JPEGInterchangeFormatLength": "6497", "EXIF ExposureTime": "1/4000", "EXIF FNumber": "14", "EXIF ExposureProgram": "Manual", "EXIF ISOSpeedRatings": "1600", "EXIF SensitivityType": "Recommended Exposure Index", "EXIF ExifVersion": "0230", "EXIF DateTimeOriginal": "2016:05:09 09:07:53", "EXIF DateTimeDigitized": "2016:05:09 09:07:53", "EXIF ShutterSpeedValue": "1495723/125000", "EXIF ApertureValue": "761471/100000", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "28/5", "EXIF MeteringMode": "Spot", "EXIF LightSource": "Fine weather", "EXIF Flash": "Flash did not fire", "EXIF FocalLength": "1000", "EXIF SubSecTimeOriginal": "23", "EXIF SubSecTimeDigitized": "23", "EXIF ColorSpace": "sRGB", "EXIF FocalPlaneXResolution": "38680329/16384", "EXIF FocalPlaneYResolution": "38680329/16384", "EXIF FocalPlaneResolutionUnit": "3", "EXIF SensingMethod": "One-chip color area", "EXIF FileSource": "Digital Camera", "EXIF SceneType": "Directly Photographed", "EXIF CVAPattern": "[2, 0, 2, 0, 0, 1, 1, 2]", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Manual Exposure", "EXIF WhiteBalance": "Manual", "EXIF FocalLengthIn35mmFilm": "1500", "EXIF SceneCaptureType": "Standard", "EXIF GainControl": "Low gain up", "EXIF Contrast": "Normal", "EXIF Saturation": "Normal", "EXIF Sharpness": "Normal", "EXIF SubjectDistanceRange": "0", "EXIF BodySerialNumber": "3000451", "EXIF LensSpecification": "[800, 800, 28/5, 28/5]", "EXIF LensModel": "800.0 mm f/5.6"}