Daily photo: 19/08/2011
![Late-evening sky in dark orange and purple Late-evening sky in dark orange and purple](http://www.astrofiammante.net/wp-content/uploads/2011/08/190811.jpg)
Signal (n): A message conveying information, especially the transmission of pictures or sound via electric impulses.
Signal (n): A message conveying information, especially the transmission of pictures or sound via electric impulses.