近红外光可穿透挡住我们视线的尘云,而最近的近红外光巡天观测银河系核心的结果,直接显现了棒状结构,也就排除了其他的可能。
Recent surveys of the sky in near-infrared light, which penetrates the dust clouds that block our view of the galactic core, have revealed the bar directly and dispelled the remaining doubts.
最近十几年来,银河系已被确认为是一个棒旋星系,而不是无棒结构的普通旋涡星系。
Therefore, our Milky Way should be morphologically catalogued as a barred spiral galaxy instead of a normal spiral one.
螺旋星系ngc 3370位于狮子座,距离我们约1亿光年,其大小和结构与我们银河系家园非常相似,只是没有中央旋棒。
Similar in size and grand design to our home galaxy (although without the central bar), spiral galaxy NGC 3370 lies about 100 million light-years away toward the constellation of the lion (Leo).
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