title: Indications about the shape of the universe from the Wilkinson microwave anisotropy probe data.
abstract: It is shown that the recent observations of NASA's Explorer mission, "Wilkinson Microwave Anisotropy Probe," hint that our Universe may possess a nontrivial topology. As an example we discuss the Picard space which is stretched out into an infinitely long horn but with finite volume.
authors.affiliation: Abteilung Theoretische Physik, Universität Ulm, Albert-Einstein-Allee 11, D-89069 Ulm, Germany.
authors.forename: Ralf
authors.initials: R
authors.lastname: Aurich
authors.forename: Sven
authors.initials: S
authors.lastname: Lustig
authors.forename: Frank
authors.initials: F
authors.lastname: Steiner
authors.forename: Holger
authors.initials: H
authors.lastname: Then