Christa McAuliffe probable the O-rings had not provided a proper seal. Barbara Radding Morgan, her backup, became a professional astronaut in January 1998, and flew on Space Shuttle mission STS-118, to the International Space Station, on August 8, 2007, aboard "Endeavour", the orbiter that replaced "Challenger". McAuliffe was buried at Blossom Hill Cemetery in her hometown, Concord. She has since been honored at many events, including the Daytona 500 NASCAR race in 1986. The McAuliffe-Shepard Discovery Center in Concord and the Christa Corrigan McAuliffe Center for Education and Teaching Excellence at Framingham State University are named in her memory, as are the
Christa Wolf herself then closely watched for nearly 30 years. During the Cold War, Wolf was openly critical of the leadership of the GDR, but she maintained a loyalty to the values of socialism and opposed German reunification. Wolf's breakthrough as a writer came in 1963 with the publication of "Der geteilte Himmel" ("Divided Heaven"). Her subsequent works included "Nachdenken über Christa T." ("The Quest for Christa T.") (1968), "Kindheitsmuster" ("Patterns of Childhood") (1976), "Kein Ort. Nirgends" (1979), "Kassandra" ("Cassandra") (1983), "Störfall" ("Accident") (1987), "Medea" (1996), "Auf dem Weg nach Tabou" ("On the Way to Taboo") (1994), and "Stadt der Engel oder