Atmospheric refraction Atmospheric refraction is considered in measuring the position of both celestial and terrestrial objects. Astronomical or celestial refraction causes astronomical objects to appear higher above the horizon than they actually are. Terrestrial refraction usually causes terrestrial objects to appear higher than they actually are, although in the afternoon when the air near the ground is heated, the rays can curve upward making objects appear lower than they actually are. Refraction not only affects visible light rays, but all electromagnetic radiation, although in varying degrees. For example, in the visible spectrum, blue is more affected than red. This may cause astronomical
Reflections of a Sound Reflections of a Sound "Reflections of a Sound" is a song by Australian rock band Silverchair and is the fourth track on their fifth studio album "Young Modern", released in March 2007. The song was released on 14 July 2007 as the second single from that album. The single was only released in Australia in digital format and as a CD Promo. The music video for the single premiered on 8 June 2007. It was shot in Queensland by directing duo Damon Escott and Stephen Lance and their producer Leanne Tonkes. Like the album art for "Young Modern", is heavily