Yes, it is possible, but we'd need better telescopes. This post has a pretty good analysis: http://rein.pk/gravitational-lensing-to-observe-ancient-earth/ http:

Yes, it is possible, but we'd need better telescopes. This post has a pretty good analysis: http://rein.pk/gravitational-lensing-to-observe-ancient-earth/ http://rein.pk/gravitational-lensing-to-observe-ancient-eart...