the autumn constellations of cassiopeia and perseus in moonlight at dinosaur provincial park, alberta, canada - カシオペヤ座 ストックフォトと画像
this false-color picture shows off the many sides of the supernova remnant cassiopeia a, which is made up of images taken by three observatories, using three different wavebands of light. - カシオペヤ座 ストックフォトと画像