STS068-227-45
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Spacecraft nadir point: 24.3° S, 74.2° W

Photo center point: 20.0° S, 68.5° W

Nadir to Photo Center: Northeast

Spacecraft Altitude: 118 nautical miles (219km)
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Image Caption: This low-sun view shows the Altilano of Bolvia and the
largest dry lake of the Andes, Salar Uyuni. A series of dust plumes
blow from the east side of the smaller Salar Coipasa due north (left)
of Uyuni. This is the 8th dust event seen in this region since Sept
1983 (STS-08) and indicates that Altiplano dust blowing east is a
geological constant of the region. It also tends to confirm existing
weak statistics that October is the prime month for the development of
dust plumes. Altiplano dust is probably a prominent supplier of
nutrient to Amazonian soils, perhaps more important than Saharan dust
carried long distances through the atmosphere: the latest theory is
that Saharan dust is the prime source of Amazon soil nutrient.