Great Barrier Reef, Australia, True Colour Satellite Image

True colour satellite image of the Great Barrier Reef in Australia. It is the world's largest coral reef system composed of over 900 islands stretching for over 2600 km. It is located in the Coral Sea, off the coast of Queensland in northeast Australia. The top of the image shows the Torres Strait and part of the south coast of Papua New Guinea. Composite image using LANDSAT 5 data., Great Barrier Reef, Australia, True Colour Satellite Image (Photo by Planet Observer/Universal Images Group via Getty Images)