関連ワード:
is the milky way a barred spiral galaxy is the milky way a spiral or elliptical galaxy is the milky way a elliptical galaxy why is the milky way referred to as a barred spiral galaxy the milky way is a large barred spiral galaxy how do we know the milky way is a barred spiral galaxy the milky way galaxy is thought to be a barred spiral galaxy what type of galaxy is the milky way an elliptical a barred spiral and irregular how did astronomers come to the conclusion that the milky way is a barred spiral galaxy is the milky way a spiral galaxy or a barred spiral galaxy
