[dull colors], [lackluster hues], [earthly tones], [mundane composition], [clumsy brushwork], [underwhelming design], [non-cosmic feel], [uninspired palette], [unremarkable depiction], [conventional representation], [ordinary execution], [lack of imagination], [generic art], [uncreative composition], [unimpressive concept], [unremarkable aesthetics], [lack of depth], [uninspiring arrangement], [limited artistic expression], [distracting elements], [out-of-theme elements], [earthly realism], [lack of cosmic vibes], [lack of celestial charm], [disconnected from the universe], [unintentional patterns], [artistic void], [lack of cosmic magic], [unimaginative portrayal], [missed celestial inspiration], [not awe-inspiring], [commonplace cosmic art], [generic brushstrokes].