Working with nature's gravitational lenses isn't easy, however.
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"You don't automatically know when you look at a galaxy that's been magnified how much it's magnified by," astronomer Jennifer Lotz, with the Space Telescope Science Institute in Baltimore, told Discovery News.
"You have to understand what that cluster is doing. You have to understand the optics of the natural telescope, which means you have to have a model of what's going on in the cluster, how massive it is, and so forth. We've done that," Lotz said.
The gravitational lenses should at least triple Hubble's imaging powers. In some cases, it could bring objects into view that are 10 times beyond what Hubble can see.
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"Over most of the fields that we are looking at, galaxies will appear three or four times brighter than they are intrinsically. And there will be smaller regions where they'll appear 10 times brighter and a subset of galaxies will appear 100 times brighter," Lotz said.