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Earth on collision course
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CreatorStuart ButlerBob RaymondDavid EmersonDate06/08/1979Issue935SubjectPhysicsspaceKarl Reinmuthasteroid, orbitsapollo objectsLake Mancouaganasteroid beltcometsmeteoritesCollectionFrontiers of Science
David Emerson, Earth on collision course (06/08/1979). University of Sydney Library, accessed 23/09/2023, https://digital.library.sydney.edu.au/nodes/view/8327