by Alan Friedman October 10, 2009
The solar disk in the wavelengths of hydrogen alpha light, tinted to show the structures of the chromosphere.
You can zoom in for a closer look at the prominence at the top of the disk. This image was featured as NASA's Astronomy Picture of the Day on November 4, 2009.
Constructed in the early 20th century, Eixample is a district of the Spanish city of Barcelona known for the urban planning that divided the district into octagonal blocks. Influenced by a range of schools of architecture, Eixample was designed in a grid pattern with long streets, wide avenues, and rounded street corners. Despite being in the center of a thriving European metropolis, the district provides improved living conditions for inhabitants including extensive sun light, improved ventilation, and more open green space for public use. And of course, the result from the grid-like structure is astounding from above:
"The Azure Window (or Tieqa Żerqa as the locals call it) is simply stunning. A popular site for scuba diving this window was created thousands of years ago with the collapse of two caves. Since before the Roman Empire this natural arch – perhaps a table top created for Poseidon to picnic upon – has captivated those who laid their eyes upon it.
Azure Window, a gorgeous spot on the Maltese island of Gozo may very well look like this soon."