white clouds in infinite sky with hues of blue - abstract natural background - altostratus, cirrus, and cirrocumulus clouds

abstract aeroplane air airplane airspace altitude altostratus atmosphere azure background blue boundless cerulean cirriform cirrocumulus cirrus cloud clouds cloudy color cosmos cyan earth endless eternal ether expanse fibratus firmament flight fly flying from heaven heavens height high hues infinite infinitude infinity layer limitless mesospheric natural nature outer regions sapphire shades sheets skies sky space sphere stratiform stratosphere stratospheric substance template terrestrial texture universe unlimited upper vast vastness vault very welkin white yonder