Scientists say they now know what turned turned miles of the world’s driest desert into glass

The Atacama Desert in Chile has been used as a way to simulate alien environments, like Mars on Earth. Now, researchers believe it was the site of an ancient comet explosion intense enough to create giant slabs of silicate glass, according to a new study.The Atacama Desert in Chile has been used as a way to simulate alien environments, like Mars on Earth. Now, researchers believe it was the site of an ancient comet explosion intense enough to create giant slabs of silicate glass, according to a new study.