Illustrations Illustration of Open and Closed Universe May 9, 1996 · NASA Zoom to full resolution Share Original on NASA ↗ More illustrationsHistory of star formationSeptember 4, 1996Illustration of the Crab Nebula EnvironmentMay 30, 1996Astronomers use Hubble to measure the expansion rate of the UniverseMay 9, 1996Hubble used as a measuring tapeMay 9, 1996Illustration of Galaxy ClustersMay 9, 1996Illustration Showing Pluto’s OrientationMarch 7, 1996Illustration Showing Geometry of the HDF ObservationsJanuary 15, 1996Illustration of Increased Sensitivity of the HDFJanuary 15, 1996 ← Newer: Spiral Galaxy NGC 4639Older: Illustration of Galaxy Clusters →