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An " astronomical clock " , " horologium " , or " orloj " is a clock with special mechanisms and dials to display astronomical information , such as the relative positions of the sun , moon , zodiacal constellations , and sometimes major planets .
 astronomical object: sun; astronomical object: moon
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: sun; astronomical object: moon