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You entered: gravitational lens
![Гравитационное линзирование на галактике](https://images.astronet.ru/pubd/2002/09/26/0001179887/glens2_hst_big.preview.gif)
20.12.1995
Sometimes it takes a keen eye to see a good mirage. Around the center of the red galaxy image in the above photograph lie four blue "smudges." Each smudge is actually a different image of the same background quasar. The central galaxy happens to fall directly in the light path of the quasar.
![Гравитационная линза "Крест Эйнштейна"](https://images.astronet.ru/pubd/2005/03/27/0001204964/qso2237_wiyn.preview.jpg)
27.03.2005
Most galaxies have a single nucleus -- does this galaxy have four? The strange answer leads astronomers to conclude that the nucleus of the surrounding galaxy is not even visible in this image. The central cloverleaf is rather light emitted from a background quasar.
![Гравитационная линза Крест Эйнштейна](https://images.astronet.ru/pubd/2000/12/19/0001162082/qso2237_wiyn.preview.jpg)
10.10.2000
Most galaxies have a single nucleus -- does this galaxy have four? The strange answer leads astronomers to conclude that the nucleus of the surrounding galaxy is not even visible in this image. The central cloverleaf is rather light emitted from a background quasar.
![Гравитационная линза "Крест Эйнштейна"](https://images.astronet.ru/pubd/2007/03/11/0001221082/qso2237_wiyn.preview.jpg)
11.03.2007
Most galaxies have a single nucleus -- does this galaxy have four? The strange answer leads astronomers to conclude that the nucleus of the surrounding galaxy is not even visible in this image. The central cloverleaf is rather light emitted from a background quasar.
![Гравитационная линза "Крест Эйнштейна"](https://images.astronet.ru/pubd/2010/02/07/0001238408/qso2237_wiyn.preview.jpg)
7.02.2010
Most galaxies have a single nucleus -- does this galaxy have four? The strange answer leads astronomers to conclude that the nucleus of the surrounding galaxy is not even visible in this image. The central cloverleaf is rather light emitted from a background quasar.
![Гравитационная линза "Крест Эйнштейна"](https://images.astronet.ru/pubd/2021/10/17/0001773857/qso2237_wiyn_1024.preview.jpg)
17.10.2021
Most galaxies have a single nucleus -- does this galaxy have four? The strange answer leads astronomers to conclude that the nucleus of the surrounding galaxy is not even visible in this image. The central cloverleaf is rather light emitted from a background quasar.
![Гравитационная линза "Крест Эйнштейна"](https://images.astronet.ru/pubd/2013/01/02/0001276270/qso2237_wiyn_960.preview.jpg)
2.01.2013
Most galaxies have a single nucleus -- does this galaxy have four? The strange answer leads astronomers to conclude that the nucleus of the surrounding galaxy is not even visible in this image. The central cloverleaf is rather light emitted from a background quasar.
![Гравитационная линза "Крест Эйнштейна"](https://images.astronet.ru/pubd/2017/12/17/0001394345/qso2237_wiyn_960.preview.jpg)
17.12.2017
Most galaxies have a single nucleus -- does this galaxy have four? The strange answer leads astronomers to conclude that the nucleus of the surrounding galaxy is not even visible in this image. The central cloverleaf is rather light emitted from a background quasar.
![Пять квазаров в гравитационной линзе](https://images.astronet.ru/pubd/2006/05/24/0001214281/quasar5p2_hst.preview.jpg)
24.05.2006
What's happening near the center of this cluster of galaxies? At first glance, it appears that several strangely elongated galaxies and fully five bright quasars exist there. In reality, an entire cluster of galaxies is acting as a gigantic gravitational lens that distorts and multiply-images bright objects that occur far in the distance.
![Эйбелл 3827: скопление-каннибал и гравитационная линза](https://images.astronet.ru/pubd/2021/08/23/0001755882/Abell3827Lens_Hubble_960.preview.jpg)
23.08.2021
Is that one galaxy or three? Toward the right of the featured Hubble image of the massive galaxy cluster Abell 3827 is what appears to be a most unusual galaxy -- curved and with three centers.
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