APOD: 2000 October 10 - The Einstein Cross Gravitational Lens
Einstein Cross - Wikipedia
Hubble's 'Einstein Cross' Supernova Strikes Back | Space
Fun with Einstein's Cross
ESA Science & Technology - 12 rare Einstein crosses discovered with Gaia
A new Einstein cross is discovered
Discordancy Report » Einstein Cross
Gravitational Lenses Revisited
Partial Observation of Einstein's Cross - Gravitationally Lensed Quasar - Electronically Assisted Astronomy (No Post-Processing) - Cloudy Nights
Einstein's Cross under the gravitational microlens – Astronomy Now
general relativity - How does gravitational lensing account for Einstein's Cross? - Physics Stack Exchange
Einstein cross (Q2237+030) cracked, quasar with a distance of 8 billion light years - Experienced Deep Sky Imaging - Cloudy Nights
Jon Hefley on Twitter: "@DrChrisCombs A tiny Einstein cross https://t.co/YCx2XlaalZ" / Twitter
A 'Einstein's Cross' is discovered where a galaxy 20 billion light-years ahead looks four-fold with a gravitational lens - GIGAZINE
Einstein Cross ( KuriousGeorge ) - AstroBin
The Einstein Cross | ESO
Hubble Space Telescope image of the Einstein cross - Stock Image - R932/0020 - Science Photo Library
Hubble Sees Rare 'Einstein Cross' Image Of Distant Supernova - YouTube
Four supernova images in an Einstein cross | ESA/Hubble
Weird Object: The Einstein Cross | Astronomy.com
Observing at Skyhound: Einstein's Cross
Einstein's Cross Is a Relativistic Wonder
Einstein Cross
ESA Science & Technology - 12 rare Einstein crosses discovered with Gaia
Astronomers Watch a Supernova and See Reruns - The New York Times
The Einstein Cross | IGN Boards
Why does a gravitational lens sometimes create an Einstein Cross with four images and sometimes a circle? | Astronomy.com
Einstein ring or Einstein cross — Astronoo
Einstein ring or Einstein cross — Astronoo
