6551
The game , taking place in the future , on a new planet , is open-ended where the player character is a planetary governor who evacuated his colony after it was hit by a biological weapon by an alien race .
 astronomical object: planet
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 astronomical object: planet