A giant region of ionized hydrogen in the constellation sagittariusA giant region of ionized hydrogen in the constellation Sagittarius
Spruce forest. coniferous giants. century -old forestSpruce forest. Coniferous giants. Century -old forest
Parallel lines with different shades of blue and greenParallel lines with different shades of blue and green
Multicolored waves of their parallel colored stripes, randomly writhing on a black-gray background with white highlightsMulticolored waves of their parallel colored stripes, randomly writhing on a black-gray background with white highlights