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"Greg M. Johnson" <pte### [at] thecommononethatstartswithY com> wrote
> http://www.spacetelescope.org/news/html/heic0803.html
>
> Years ago, when I first heard about the possibility of gravitational
> lensing, where a star bends the light around it, I saw a really sloppily
> done graphic. The graphic implied you would only get two points, left
and
> right to the star. I immediately thought there ought to be a ring. The
> article I read seemed to confirm that you'd get one image superimposed to
> the left and right. I then assumed there was some property of light or
> gravity or magnetism I didn't know about, or the graphic designer and/or
> the article writer didn't know what they were talking about.
>
> They didn't!
Sure, they did. You can get other effects than a ring, depends on the
configuration. The very first gravitational lensing observed was the so
called twin quasar (ie, two images), so that's probably what you remember.
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