Quote:
Originally Posted by Jeff Root
The intermediate galaxy does the lensing. Something has to do it.
Why would you call it something different just because the source
of the light is also the mass that does the lensing?
-- Jeff, in Minneapolis
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Simply because I am using the mainstream definition of gravitational lensing. Look it up in Wikipedia. 
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“He who asks a question is a fool for five minutes; he who does not ask a question remains a fool forever”
Chinese proverb
"All you need in this life is ignorance and confidence - and then success is sure." - Mark Twain.
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