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Einstein Cross


The Einstein Cross or Q2237+030 or QSO 2237+0305 is a gravitationally lensed quasar that sits directly behind ZW 2237+030, Hurcha's Lens . It is quadrupally imaged, hence its name, Einstein Cross, forming a nearly perfect cross, with the lensing galaxy at its center.

External links

Photo of the Einstein Cross at Astronomy Picture of the Day


Last updated: 05-27-2005 04:47:48
12-19-2008 14:25:18
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details
Science kits, science lessons, science toys, maths toys, hobby kits, science games and books - these are some of many products that can help give your kid an edge in their science fair projects, and develop a tremendous interest in the study of science. When shopping for a science kit or other supplies, make sure that you carefully review the features and quality of the products. Compare prices by going to several online stores. Read product reviews online or refer to magazines.

Start by looking for your science kit review or science toy review. Compare prices but remember, Price $ is not everything. Quality does matter.
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