NASA Photo ID: S90-48729          File Name: 10063633.jpg

Film Type: 4x5 CN                 Date Taken: 09/21/90

Title: HST image of Gravitational Lens G2237 + 305 or "Einstein Cross"

Description:

European Space Agency (ESA) Faint Object Camera (FOC) science image was
taken  from the Hubble Space Telescope (HST) of Gravitational Lens G2237 +
305 or  "Einstein Cross".  The gravitational lens G2237 + 305 or "Einstein
Cross"  shows four images of a very distant quasar which has been
multiple-imaged by  a relatively nearby galaxy acting as a gravitational
lens.  The angular  separation between the upper and lower images is 1.6
arc seconds.  Photo was  released from Goddard Space Flight Center (GSFC)
09-12-90.