标签 甲烷 太陽系

标签: 甲烷 太陽系

太陽系外行星 發現甲烷

  天文學家19日宣布,他們偵測發現,距地球63光年的一顆太陽系外行星的大氣層中有甲烷氣體存在。這是科學家首次在太陽系外行星的大氣層發...
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