River tossed a worried look to the Master, decided he was mostly ok and then turned back to Jason beaming. "I'd love to." She pointed to spots on the field of stars, and explained as simply as she could. The Time Lord listened and interjected a couple of time. The star shifted at one point, seemingly for no reason then they needed to zoom in, no words or obvious controls used.
The Doctor raised an eyebrow at River. "Did you do that?"