アインシュタインの十字架
1. Einstein CrossThe Einstein Cross or Q2237+030 or QSO 2237+0305 is a gravitationally lensed quasar that sits directly behind ZW 2237+030, Huchra's Lens. Four images of the same distant quasar appear around a foreground galaxy due to strong gravitational lensing. The quasar is located about 8 billion light years from Earth, while the lensing galaxy is located at a distance of 400 million light years.
Read “Einstein Cross” on English Wikipedia
Read “アインシュタインの十字架” on Japanese Wikipedia
Read “Einstein Cross” on DBpedia
Read “Einstein Cross” on English Wikipedia
Read “アインシュタインの十字架” on Japanese Wikipedia
Read “Einstein Cross” on DBpedia
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