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 .
 visual binary
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 visual binary