http://www.newsweek.com/wwt-telescope-tool-james-webb-space-deep-field-image-compare-1723942

An online tool now allows users to compare the recent James Webb Space Telescope image with older cosmic images—showing just how powerful NASA's new telescope really is.

On Monday NASA released one of the first proper images taken by Webb, ending months of anticipation while the telescope—launched last December—calibrated itself in space.