The island emboldened the Conways to put light-green carpeting down in other parts of their home, something they had been resigned to living without while their grandchildren were young.
Galex - a space telescope designed to search for the ultraviolet light that newly born stars put out - hinted that NGC 6872 was made much larger in size by the collision.
Photo-or electroluminescent substances that can be put straight on to a silicon chip might make cheaper light sources than the light-emitting diodes used now, since these have to be connected separately.