The Antarctic Desert is the biggest desert in the world concerning its size. Antarctic Polar Desert: 14 million km² (5.4 million square miles).
A desert is defined by how much precipitation (rain, snow, fog, and haze) is in space. A locale that gets next to no precipitation (the specific sum relies upon who you ask) is named a desert.
There are many kinds of deserts, including subtropical, coastal, and polar deserts.
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