Main article: Rub' al-Khali
vast desert in the southern Arabian Peninsula, covering about 250,000 square miles (650,000 square km) in a structural basin lying mainly in southeastern Saudi Arabia, with lesser portions in Yemen, Oman, and the United Arab Emirates. It is the largest area of continuous sand in the world. It occupies more than one-quarter of Saudi Arabia. The topography is varied. In the west the elevation is...
ad-Dahna' desert
...arc of reddish sandy desert, central Saudi Arabia, extending about 800 miles (1,300 km) southward from the northeastern edge of an-Nafud (desert) to the northwestern borders of the desert Rub' al-Khali (the Empty Quarter). Thus, ad-Dahna' links the great deserts of Saudi Arabia. It consists of seven major sand ridges, which are separated from one another by plains. It...
Answered by raju kumar
at
10:22 AM on March 16, 2008