- Spiral arms are a defining feature of spiral galaxies. They manifest as spiral-shaped regions of enhanced brightness within the galactic disc. Typically, spiral galaxies exhibit two or more spiral arms. The collective configuration of these arms is referred to as the spiral pattern or spiral structure of the galaxy.
- Granite Mountain (King County, Washington) (Wikipedia)
Granite Mountain is a tall peak in the Cascade Range in King County, Washington 16 miles (26 km) east of North Bend. A fire lookout on the summit can be reached by trail. The fire lookout was first constructed in 1924 and was then rebuilt 31 years later. It is still maintained by volunteers June through September each year.