Possible Clues:

• Where we live, a phrase added for emphasis
• Inhabiting our planet
• Where 'Thy will be done,' in a prayer
• Lord's Prayer phrase before 'as it is in heaven'
• Where 'Thy will' will be done, in part
• Among all the possibilities
• Is there just one hart here?
• "Peace ___"
• In tarnation?
• Not traveling the galaxies