For example, this twelve-degree-wide view of the northern part of the constellation Cygnus reveals cosmic clouds of hydrogen gas along the plane of our Milky Way galaxy.

 
  • 舉例來(lái)說(shuō),這幅跨12度的北 天鵝座影像,就呈現了我們銀河系盤(pán)面一帶的宇宙氫氣云團。
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