60548
A " visual binary " star is a binary star for which the angular separation between the two components is great enough to permit them to be observed as a double star in a telescope , or even high-powered binoculars .
 astronomical object: visual binary
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: visual binary 
Answer:
 astronomical object: visual binary