disk

Six hovering angels shade their eyes with their hands, or else they shield their eyes behind transparent colored disks — think 14th century sunglasses.

Eventually the entire accretion disk is torn in half, with the black hole first consuming the inner disc and then the outer one.

But Akinkunmi’s was a simple affair, with equal green-white-green vertical stripes - and it replaced the colonial flag that had included the British union jack and a six-pointed green star under a red disk.

Mr Richards wants people to stop buying the plastic rings and to use the "solid traditional disk frisbee instead".

Martin has a squashed disk in her spine and finds the waterbed is easier on her hips.