You couldn't 'design' the sun logo in 2 minutes, the point of it is that it's not obvious, and it's 'designed'. The sun logo is a clean professional diagrammatic design featuring the letter S, which would work in monochrome, colour, in print, on screen, embossed in casings etc... It does not use blurring, gradient fills or bright colours.
The sun logo isn't this:
The sun logo isn't this: