... IC 4603: Reflection Nebula in Ophiuchius . ... The effect is created not by digital trickery but by large amounts of interstellar dust. ... Cave with Aurora Skylight . ... Yes, but have you ever seen aurora from a cave? ... A Solar Filament Erupts . ... In this beach and skyscape from Alicante, Spain, July's Full Moon shines in the dark blue twilight, its reflection coloring the Mediterranean waters. ... The Moon Eclipses Saturn . ... A Blue Bridge of Stars between Cluster Galaxies . ...