Re: [閒聊] Agents of S.H.I.E.L.D. S03E05
有一個無關劇情討論
屬於科普的問題請教......
請問18年才一次的日出而且又極度短暫不到十秒是怎樣的軌道?
可能1.它的衛星一直阻在它跟太陽之間?
可能2.這個星系沒有太陽 18年恰巧靠近鄰近星系的太陽
可能3.它跟太陽極度遙遠 平常都是一顆星星 18年一到才近到足以稱為太陽
但極度短暫的日出就表示一接近就馬上拉遠了
所以表示軌道極度長 但公轉速度極度快?
社會組的想不懂這種東西 呼叫自然組的解答
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