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.
Studies of the rotation of the Milky Way show that the halo dominates the mass of the galaxy, but the material is not visible, now called dark matter. The Disk The disk of the Galaxy is a flattened, rotating system which contains the Sun and other intermediate-to-young stars. The sun sits about 2/3 of the way from the center to the edge of the disk (about 25,000l.y. by the most modern estimates).