
### Instruction:
What is the largest desert in the world?
### Response:
The Antarctic Polar Desert would be the largest.
<|EOT|>
<｜begin▁of▁sentence｜>
### Instruction:
How big is it in size?
### Response:
It's area is estimated to be 13.8 Million square kilometers.  It is equivalent to a circle with a radius of 2100km. 

This ranks it among the largest land structures on earth. Comparable entities are:
* ~0.8 x of the total area of Russia
* ~1.4 x of the total area of Canada
<|EOT|>
