EGG HARBOR TOWNSHIP â The dogs â and people â who visit the dog park on Swift Avenue will have more to enjoy, thanks to a group of third-graders and a $500 grant from the Egg Harbor Township Education Foundation. Read more
Galactic Disk-A disk of matter, about 30 kiloparsec s (kpc) in diameter and 2 kiloparsec s thick, containing most of the stars and interstellar matter in the Milky Way ... galactic disk Flattened region of gas and dust that bisects the galactic halo in a spiral galaxy. This is the region of active star formation.
Spiral galaxies are named for the spiral structures that extend from the center into the galactic disc. The spiral arms are sites of ongoing star formation and are brighter than the surrounding disc because of the young, hot OB stars that inhabit them.