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Collection:
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NASA Astronomy Picture of the Day Collection
Collection
NASA Astronomy Picture of the Day Collection
Collection
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Title:
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Abell 2218: A Galaxy Cluster Lens
Title
Abell 2218: A Galaxy Cluster Lens
Title
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Explanation:
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Sometimes one of the largest concentrations of mass known can act like a lens. Almost all of the bright objects in this image are galaxies in the cluster known as Abell 2218. The cluster is so massive and so compact that it bends light from galaxies that lie behind it, causing many of them to appear as stretched out arcs. Many dim, elongated arcs are visible on this photograph. This picture was taken with the Wide Field Planetary Camera 2 on board the Hubble Space Telescope. For more information about this picture see the Space Telescope Scientific Institute's press release. [ http://www.stsci.ed…]
Explanation
Sometimes one of the largest concentrations of mass known can act like a lens. Almost all of the bright objects in this image are galaxies in the cluster known as Abell 2218. The cluster is so massive and so compact that it bends light from galaxies that lie behind it, causing many of them to appear as stretched out arcs. Many dim, elongated arcs are visible on this photograph. This picture was taken with the Wide Field Planetary Camera 2 on board the Hubble Space Telescope. For more information about this picture see the Space Telescope Scientific Institute's press release. [ http://www.stsci.ed…] Explanation
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Credit and Copyright:
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NASA, HST, WFPC2, W. Couch (UNSW)
Credit_and_Copyright
NASA, HST, WFPC2, W. Couch (UNSW)
Credit and Copyright
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facet_where:
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Goddard Space Flight Center (GSFC)
facet_where
Goddard Space Flight Center (GSFC)
facet_where
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facet_what:
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Camera 2
facet_what
Camera 2
facet_what
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facet_what:
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Wide Field Planetary Camera 2
facet_what
Wide Field Planetary Camera 2
facet_what
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facet_what:
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Hubble Space Telescope (HST)
facet_what
Hubble Space Telescope (HST)
facet_what
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original url:
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original_url
original url
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UID:
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SPD-APOD-ap950710
UID
SPD-APOD-ap950710
UID
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