caption: An artist's conception of two merging neutron stars creating ripples in space time known as gravitational waves. (Image: NASA)
exif: {"Image Orientation": "Horizontal (normal)", "Image XResolution": "300", "Image YResolution": "300", "Image ResolutionUnit": "Pixels/Inch", "Image ExifOffset": "90", "EXIF ExifImageWidth": "3840", "EXIF ExifImageLength": "2160"}