An explosion of color takes place in the Atacama Desert, one of the driest places on Earth, makes it exceptional. Some areas receive only a few millimeters of rain each year, and when it does rain, the landscape can be transformed in just a few weeks. Also, NASA is planning to launch a rocket mission to study the turbulence where Earth's atmosphere ends and outer space begins sometime over the next two weeks.

The earliest the agency expects to launch the three sounding rockets is Saturday, with the launch window closing Sept. 3.

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