<Tr> <Th> Area </Th> <Td> 650,000 km (250,966 sq mi) </Td> </Tr> <Tr> <Td_colspan="2"> Location of the empty quarter in Arabia . </Td> </Tr> <P> The Rub' al Khali desert (Arabic: الربع الخالي ‎, i.e., "the Empty Quarter" in) is the largest continuous sand desert (erg) in the world, encompassing most of the southern third of the Arabian Peninsula . The desert covers some 650,000 km (250,000 sq mi) (the area of long . 44 ° 30 ′ − 56 ° 30 ′ E, and lat. 16 ° 30 ′ − 23 ° 00 ′ N) including parts of Saudi Arabia, Oman, the United Arab Emirates, and Yemen . It is part of the larger Arabian Desert . </P> <P> The desert is 1,000 kilometres (620 mi) long, and 500 kilometres (310 mi) wide . Its surface elevation varies from 800 metres (2,600 ft) in the southwest to around sea level in the northeast . The terrain is covered with sand dunes with heights up to 250 metres (820 ft), interspersed with gravel and gypsum plains . The sand is of a reddish - orange color due to the presence of feldspar . </P>

What does rub al khali mean in english
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