Astrophysik: Gravitationslinsen Scene Info click for Module Menu Start Module: Astrophysik: Gravitationslinsen Sequence: Start Slide: Slide: A Galaxy Produces a Multi-image of a Quasar Branching Point: The visible sky is nothing but an optical fraud Sequence: (1) Prinzip Slide: Why does a mass act like a lens ? Slide: Why does a mass act like a lens ? Slide: Why does a mass act like a lens ? Slide: Mass distributions acting as lenses Slide: Glas lens visualizing the effect of a gravitational lens Slide: Extreme Deflections Slide: Strange Optics Slide: Cosmic Distortions Slide: The image of the sky is permanently changing Slide: Encounter of third degree Sequence: (2) History Slide: Early speculations Slide: Einsteins triumph Slide: Einstein remains sceptical Slide: ... an odd publication Slide: Galaxies as gravitational lenses Sequence: (3) Astrophysics Branching Point: Gravitational Lenses as Tools in Astrophysics Sequence: (3.1) galaxies Slide: How Massive is a Galaxy ? Slide: How Massive is a Galaxy Cluster ? Slide: How Massive is a Galaxy Cluster ? Sequence: (3.3) Hubble Slide: How Does the Universe Expand ? Sequence: (3.4) planets Slide: Slide: Planets in Foreign Solar Systems Back Forward A Galaxy Produces a Multi-image of a Quasar Cosmic Illusions This picture taken from the space telescop Hubble shows four images of the the Quasar QSO 2237+0305, which are produced by a galaxy in the center.The galaxy acts as a gravitational lens. Source: NASA/SRScl/ESA [ Sitemap ] [ info ] This website was created with Virtual Spaces.