What are Rigel, Betelgeuse, and Polaris?
what are rigel, betelgeuse, and polaris
FreebaseQA-train-15165.P0 FreebaseQA-train-15165.P1 FreebaseQA-train-15165.P2
polaris rigel rigel
polaris rigel rigel
m.05s8k m.06lh0 m.06lh0
astronomy.celestial_object.category astronomy.celestial_object.category common.topic.notable_types
m.06ngk
star
m.06ngk
star
m.021ynmx
star