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This digital document is an article from Science News, published by Science Service, Inc. on July 18, 2009. The length of the article is 2676 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available immediately after purchase. You can view it with any web browser.Citation DetailsTitle: The star that ate a Mars: astronomers study white dwarf pollution for clues to extrasolar planet ingredients.(Cover story)Author: Charles PetitPublication: Science News (Magazine/Journal)Date: July 18, 2009Publisher: Science Service, Inc.Volume: 176 Issue: 2 Page: 22(4)Article Type: Cover storyDistributed by Gale, a part of Cengage Learning