Top 10 satellite photography facts Selected as the most interesting among satellite photography related questions in Satellite photography quiz Which desert has this famous "eye"?Sahara. The Richat Structure in Mauritania, also known as the Eye of the Sahara, was interpreted as an asteroid impact structure, but no evidence for shock metamorphism has been found. Today scientists believe that it is a huge (40 km in diameter) and deeply eroded geologic dome.Created by: globalquiz.orgdeserts of Africa facts » This is Sable Island, known as the graveyard of the Atlantic. It is about 109 miles southeast of Nova Scotia. What is the island origin?Post-glacial. Sable Island is believed to have formed from a terminal moraine deposited on the continental shelf near the end of the last Ice Age. It emerges from vast shoals and shallows which, in tandem with frequent fog and sudden storms, have caused over 350 recorded shipwrecksCreated by: globalquiz.orgsatellite photos facts » What are the circular objects visible on this satellite photo taken over Libya?Agricultural fields. This is an astronaut photo of the Al Khufrah Oasis in Libya. The circular shape of fields is characteristic of center pivot irrigation. These fields are approximately 0.6 mile (1 kilometer) in diameter. Lighter colors indicate fields that have been harvested recently or just planted.Created by: globalquiz.orgLibya facts » What does the color range represent in this picture?Water salinity. Launched June 10, 2011, Aquarius is NASA’s first satellite instrument specifically designed to study the salt content of ocean surface waters. The complete first year dataset of NASA's Aquarius instrument reveals seasonal changes in the Amazon River's plume. Depending on the prevailing currents, the river's freshwater outflow heads east toward Africa or bends up north to the Caribbean.Created by: globalquiz.orgwater facts » This is one of the largest cities in the world. Which one?Kinshasa (at the bottom of the photo) is an urban area with a 2013 population of over 9 million. It faces the capital of the neighbouring Republic of Congo, Brazzaville, which can be seen in the distance across the wide Congo River.Created by: Sumit Tamangsatellite images facts » Where are the islets of Langerhans?In the pancreas. The islets of Langerhans are the regions of the pancreas that contain its endocrine (i.e., hormone-producing) cells. Created by: Paweł Kołodziejczykbiology facts » What is the name of the sea in the middle of the photo?Mediterranean Sea. In this satellite photo of Strait of Gibraltar. The land on the left is Spain, on the right - North Africa.Created by: globalquiz.orgmap facts » Which major city is that?Istanbul. The city is easily recognizable due to Bosphorus strait dividing it into two parts located on different continents. Istambul's commercial and historical center is situated in Europe, while one third of its population live in Asia.Created by: Kasiageography of Turkey facts » At this photo, you can see the impressive delta of the largest inflow of Caspian Sea. What's the river name?Volga. The Volga Delta has grown significantly in the past century because of changes in the level of the Caspian Sea. In 1880, the delta had an area of 3,222 km². Today the Volga Delta covers an area of 27,224 km² and is approximately 160 km across.Created by: globalquiz.orggeography of Russia facts » This is one of the largest cities in the world. Which one?São Paulo is about 79 km (49 mi) from Santos, the busiest container port in Latin America - visible at the bottom of the photo.Created by: globalquiz.orggeography of Brazil facts » Play satellite photography quiz and see all the questions.