POX 186: Not So Long Ago . ... Credit Copyright: Michael Corbin (CSC/ STScI ), William Vacca ( MPE ), NASA Explanation: Not so long ago and not so far, far away, a galaxy was born . ... POX 186 is truly dwarfed by galaxies like our own Milky Way. ... In fact, POX 186 observations suggest that such isolated, small galaxies may be the last to form, since the most massive galaxies in the universe seem to have formed billions of years ago. ... NASA Web Site Statements, Warnings, and Disclaimers . ...