Many different planets on the background of a starMany different planets on the background of a star
Galaxy planets there are all sorts of different astronomyGalaxy planets there are all sorts of different astronomy
Triangles of different sizes on a white backgroundTriangles of different sizes on a white background
Electric charge from the button in different directionsElectric charge from the button in different directions
Несходство, различие в чём-н.. Величина, сумма, являющаяся разностью между двумя другими.