galaxies often contain hundreds of billions of stars
star_of_bethlehem is not astronomical. giant_star is star. galaxy is not enormous_group_of_stars. milky_way has about_100,000,000_stars_in milky_way has not about_100,000,000_stars_in star_of_bethlehem is astronomical. galaxy is enormous_group_of_stars. the is not billions_of_stars_in_sky. the is billions_of_stars_in_sky. star has much_more_mass_than_planet