A Lot Going on in One Galaxy Image

Maybe I am a starry-eyed dreamer, or maybe I just treat astronomy like a little kid opening birthday presents, but every time I see a new Hubble image I am blown away by it.  Today’s mind-blowing photo is of Messier 63, the Sunflower Galaxy, located in Canes Venatici. It shows the central region of the galaxy and out tot he spiral arms.  The arms are clearly visible due to the bright blue clusters of newly formed stars intermixed with dark patched of thick gas and dust.  In between the arms lie older, redder stars.  Closest to the centre, the yellowish...