Late last year, Queensland Museum photographer Gary Cranitch captured one of the most spectacular underwater images we’ve ever seen, a photograph of a fleeting ‘coral spawn’ in the Great Barrier Reef that looks more like a photo of the Milky Way than marine life. Cranitch is a seasoned underwater and wildlife photographer with an impressive portfolio of images and a history of award-winning shots, but he may have outdone himself on this one. The photograph above shows the exact moment…