Kartesh will do some scouring of historical records to see if there is any record of the first pilgrims or pioneers that brought the information of the three Mage tech worlds,someone either lied about getting to the planets or actually made it there and back past the black holes.
He will look up how they achieved it,studying the scientific data of the gravitational field zones of each black hole ,to see if there is any course through the other than go through the planet,or find out if anyone did that and how..
Computer Use Check Taking 10 = 26
Knowledge:History check Taking 10 =16
Knowledge:Physical Sciences check Taking 10 = 16
Navigate Check Taking 10 = 28
Diplomacy check if i have to speak to people about it taking 10 = 22
Research check taking 10 if this is classed as Research = 21
So Any research if any took 3 hours.