HD 141569 and HR 4796A
NASA's Hubble Space Telescope has given astronomers their first views of a dust ring around the star HR 4796A and a dark gap dividing an immense dust disk around the star HD 141569. These images may provide important clues to possible planet formation.
Image Credit (left): Alycia Weinberger, Eric Becklin (UCLA), Glenn Schneider (University of Arizona) and NASA
Image Credit (right): Brad Smith (University of Hawaii), Glenn Schneider (University of Arizona), and NASA