I mean.. There was a reason why they left Sol. Lots of conflict, probably lack of resources or space for People.
Oh and let's not Forget this Teeny-tiny Thing from the Wiki/Timeline^^
"When the Coalition arrive to take over Pluto, a Nomad superweapon appears and completely destroys Sol."
I doubt that there's much to see/do there. Especially since it clearly states this, too.
"The only survivor is an Alliance general named Atticus Rockford, who traveled to Sirius to warn the colonists. His ship is seen landing on Planet Manhattan, but his fate afterwards is unknown. "
