3 ms·

Black holes are capable of bending light back towards us: http://rein.pk/gravitational-lensing-to-observe-ancient-earth/ http://rein.pk/gravitational-lensing-t

by gd1 13y ago

Black holes are capable of bending light back towards us: http://rein.pk/gravitational-lensing-to-observe-ancient-earth/ http://rein.pk/gravitational-lensing-to-observe-ancient-eart...