International Ultraviolet Explorer was considered the most successful astronomical satellite ever. The human eye can perceive light with wavelengths between roughly 350 (violet) and 700 (red) nanometres. Ultraviolet light has wavelengths between roughly 10 nm and 350 nm. UV light can be harmful to human beings, and is strongly absorbed by the ozone layer. This makes it impossible to observe UV emission from astronomical objects from the ground. Many types of object emit copious quantities of UV radiation, though: the hottest and most massive stars in the universe can have surface temperatures high enough that the vast majority of their light is emitted
The Sun Comes Out Tonight the band announced the album had been retitled as "The Sun Comes Out Tonight", released the official track list, and released the opening track, "We Hate It When You Get What You Want" for free download. The first single off the new album, "What Do You Say" was released on April 2, 2013. Patrick planned on the album sounding harder and more aggressive than previous albums. Part of this is credited to including more screamed vocals, and heavier Drop C and Drop B guitar tunings. Patrick aimed for the album to sound like "...something that was exactly like "Short Bus"