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Article: Gaping Ozone Hole.(hole expands over Punta Arenas, Chile)
- Article from:
- Science World
- Article date:
- November 27, 2000
- Author:
CopyrightCOPYRIGHT 2000 Scholastic, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Last September a NASA satellite detected a growing hole in Earth's protective ozone layer over Antarctica. It was the largest ozone hole ever seen, spanning a record 29.6 million square kilometers (11.5 million sq mi), or more than three times the size of the U.S. Normally the ozone hole exposes only ocean and barren land in Antarctica. But now it looms over Punta Arenas, Chile, a populous city near the southern tip of South America. And scientists are alarmed.
Ozone molecules are Earth's "natural sunscreen," says Paul A. Newman, an atmospheric physicist at the NASA/ Goddard Space Flight Center in Greenbelt, Md. Made up of three atoms of oxygen, ozone floats in ...
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Article: Ozone 'Hole' Pulls Back, but Danger Lingers
AP Online;
December 19, 2004 ;
700+ words
... ... 2004 Dateline: PUNTA ARENAS, Chile The worst of the ozone hole has pulled back ... of wind-blown Punta Arenas, like the local ... September's maximum ozone hole, at 11 million ... Netherlands. Punta Arenas' own expert, Claudio ...
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