what is the hubble classification for a spiral galaxy with a small nuclear bulge and wide loosely wound spiral arms?

Anybody wanna ? (picture included? )

Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.