Keywords: Ozone still 2000 09 06.jpg A NASA instrument has detected an Antarctic ozone hole what scientists call an ozone depletion area that is three times larger than the entire land mass of the United States ”the largest such area ever observed The hole expanded to a record size of approximately 11 million square miles 28 3 million square kilometers on Sept 3 2000 The previous record was approximately 10 5 million square miles 27 2 million square km on Sept 19 1998 PD-USGov original upload log page de wikipedia Ozone_still_2000_09_06 jpg 2004-03-30 17 48 Srbauer 475Ă—544Ă— 28620 bytes <nowiki>NASA Largest-ever Ozone Hole over Antarctica</nowiki> Earth's atmosphere |