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Tonga Volcanic Eruption Highlights the Crucial Role of Satellites During Natural Disasters

The only undersea fiber optic cable that connects Tonga to the rest of the world was severed during the volcanic eruption.
By Sissi Cao
Aerial view of the Spider (46 meters long) at Nazca Lines, some 435 km south of Lima, Peru on December 11, 2014. Geoglyphs can be seen only from atop the surrounding foothills or from aircrafts. The purpose of the Nazca lines remains unclear, according some scientists the Nazca people created them to be seen by their gods in the sky. The area of the Nazca Lines cover nearly 500 km2.

Satellite Images May Have Solved the Mystery of Peru’s Nazca Lines

Stories about ancient hot air balloons and snapshots of alien visits recorded in stone may be convenient for the sake of explaining Nazca's incredible images of geometric plants and animals. But now, new satellite imagery may shed light on the lines true purpose: water irrigation.
By Alanna Martinez

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