The tractor beam works by surrounding the object with high - intensity sound and this creates a force field that keeps the objects in place. (sciencedaily.com)
So what sets the scaling for seeing the sizes and shapes of surrounding objects? (newscientist.com)
What is certain is that the triple burst of light was reflected off nearby dust to surround the object with rapidly changing light shells, making it a true cosmic beauty. (newscientist.com)