Gravitational lensing, but not as good an image as it could be?


https://www.legacysurvey.org//viewer/?ra=10.8537&dec=-20.6214&layer=ls-dr9&zoom=15

I’ve just read the article on gravitational lensing on Scitech Daily:

The images reproduced in that paper are of infinitely better quality than the images we see on the Legacy Survey site. Why is the online quality so poor by comparison with the data reproduced in the paper?

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