Astronomy in Chile Astronomy in Chile Chile can be considered astronomy's world capital. In 2011, Chile was home to 42% of the world's astronomical infrastructure consisting mostly of telescopes, and by 2020 it will contain around 70% of the global infrastructure. In the Atacama desert region located at northern Chile, the skies are exceptionally clear and dry for more than 300 days a year. These optimal conditions have attracted the world's scientific community to develop in the Atacama desert the most ambitious astronomical projects in the history of mankind. Chile welcomes a diverse and active astronomical community that includes Chilean and international professionals
Tourism in the Arab world Deserts reign in most of northern Africa where the Sahara exists, the world's hottest desert where some of the sand dunes can reach 180 metres (590 ft) in height. The Arabian Peninsula is mainly covered by a range of deserts: the Nefud in the north, which is a stony desert; the Rub' Al-Khali or "Great Arabian Desert" in the south, and between them, the Dahna desert. In contrast, the Arab World boasts some of the highest mountain ranges in both Africa and Asia. The Atlas Mountains rise from the northern Sahara to peak of 4,167 m before cascading east towards