"volcano, seen from space" actually a digital wallpaper, perhaps created by HolyMan. The Earth does not appear this big when seen fro the moon, nor can you see giant sparks the size of asteroids shooting from most volcanoes.
A Grazing Encounter Between two Spiral Galaxies. In the direction of the constellation Canis Major, two spiral galaxies pass by each other like majestic ships in the night. The near-collision has been.