Because of a space-time displacement, nearly a day would pass on the surface of the planet for each second in normal time. The Doctor had originally only planned to be on the surface for three days, but because of a transporter malfunction, he was on the planet for a little over three years during the approximately twenty minutes of normal time that it took for the USS Voyagercrew to fix the problem.
Mareeza is most likely the mother of Jason Tabreez, whom The Doctor referred to as his son. However, it is unclear if she was Jason's biological mother or if he was adopted. It is also likely that she lived with The Doctor in Darek's building.