Here are seven candidates for what James Webb and WFIRST might find! James Webb will be capable of seeing this, and the results could shake up the world! James Webb and WFIRST both will shed light on these objects, and finding them in any stage will be a huge advance for science! Dark matter may be far less dominant, particularly in the first, faint galaxies, than in galaxies today. Seeing this would validate the dark matter picture and be a blow to modified gravity theories; seeing the opposite could disprove dark matter.

Source: Forbes March 04, 2017 15:00 UTC