- The Showbox (Wikipedia)
The Showbox (originally known as the Showbox Theater) is a music venue in Seattle, Washington, United States. It has been owned by AEG Live since 2007.
- Apparent magnitude (Wikipedia)
Apparent magnitude (m) is a measure of the brightness of a star or other astronomical object. An object’s apparent magnitude depends on its intrinsic luminosity, its distance, and any extinction of the object’s light caused by interstellar dust along the line of sight to the observer.