Subscribe to our newsletter. A vast collection of stars, dust and gas held together by the gravitational attraction between its components. Galaxies are usually classified as elliptical, spiral or irregular in shape.
Spiral galaxies are flat disc-shaped collections of stars with prominent spiral arms.
Irregular galaxies have no apparent structure or shape. They offer to buy or sell new and used college textbooks. Branson ultrasonic cleaners - buy on line Buy Bransonic table top ultrasonic cleaners on line. Ideal for jewelry, pipettes, dental instruments, and small components. Links to industrial ultrasonic sites.