Here's the Planetary Interaction skill queue for your toon.  It's a total of about 13 days for everything listed.  More training will just yield better scanning of the planets, more planets to use, and higher command center levels.

Science IV
Remote Sensing I
Remote Sensing II
Remote Sensing III
Planetology I
Interplanetary Consolidation I
Command Center Upgrades I
Command Center Upgrades II
Command Center Upgrades III
Command Center Upgrades IV
Interplanetary Consolidation II
Interplanetary Consolidation III
Interplanetary Consolidation IV
Planetology II
Planetology III
Planetology IV

For explanation on entering this into a skill queue, see <to be written> article.