1782
Usually found on Earth 's surface , micrometeorites differ from meteorites in that they are smaller in size , more abundant , and different in composition .
 astronomical object: Earth
Given options, please tell me the categories of all the listed entity words.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} 
 Entities: Earth 
Answer:
 astronomical object: Earth