Astronomy
Frame of Reference: All Skills are bound by the character's Setting (physics), and the details that their culture/society's Science (gathered by Technology), direct experience, and/or collective Records are capable of revealing. A character may not be able to apply their full measure on a different world, with different species and tools.
Specialties
Each specialty has its own specific set of materials and tools. Some are shared with other related specialties, but the exact Utility Set is unique.
iCore™i20™ Skill Details
i20 Skills REPLACE d20 skill proficiency ( Proficiency Bonus) - Character Points are Rewarded by the GM to buy traits and Skills (adding to the Result Check).
i20™ Making Checks: In going with the "Rule of Averages", only a single Result Check is made to determine Success or Failure and degree/quality of either of an Activity. The GM will { } Narrate it, and/or you may petition for an appropriate impact when anything other than a basic outcome is indicated. Note that checks made without proficiency can only apply a Attribute bonus no greater than the character's Proficiency Bonus.