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Gigantic Gravity "Lenses" Magnify Galaxies Far, Far Away

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posted on Nov, 19 2010 @ 06:15 PM
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Gigantic Gravity "Lenses" Magnify Galaxies Far, Far Away


www.nsf.gov

A chance alignment of galaxies, recently observed by a space observatory, presents the perfect opportunity for studying star-forming galaxies billions of light-years away.
(visit the link for the full news article)




Related News Links:
www.gb.nrao.edu...
www.nasa.gov...
edit on 19-11-2010 by Freedom_is_Slavery because: (no reason given)




posted on Nov, 19 2010 @ 06:15 PM
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For decades, astronomers have used Einstein's concept of a "gravitational lens" to study the magnified images of distant objects. A lensing effect occurs when a massive object, such as a galaxy, is located exactly between another object and an observer.

Because the galaxy in front is so massive, its strong gravitational pull bends the light coming from behind it, creating distorted images of the background galaxy.

Sometimes, the image is so warped that it appears as a ring or arc around the foreground galaxy. Other times the result is repeated images of the background galaxy, similar to what happens when looking in a funhouse mirror. But in all cases, the distorted images are magnified, making the background galaxies appear brighter and therefore easier to study.

www.nsf.gov
(visit the link for the full news article)



posted on Nov, 19 2010 @ 10:02 PM
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Originally posted by Freedom_is_Slavery
For decades, astronomers have used Einstein's concept of a "gravitational lens" to study the magnified images of distant objects.
Yes it's been going on for decades so it's not exactly "news". There is something that's kind of news but you never mention it.

It looks like all the text is from the article but you didn't show it in quotation marks like you're supposed to.

Don't you have any of your own comments or observations to add?



posted on Nov, 19 2010 @ 10:25 PM
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Originally posted by Freedom_is_Slavery

Gigantic Gravity "Lenses" Magnify Galaxies Far, Far Away


www.nsf.gov

A chance alignment of galaxies, recently observed by a space observatory, presents the perfect opportunity for studying star-forming galaxies billions of light-years away.
(visit the link for the full news article)



Gravitational lensing is a hypothesis used to suit the observed phenomena just as GR is essentially a hypothesis until ptoven beyond any reasonable doubt, experimentally.



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