J1407b周围的环系统比土星环大约200倍

艺术家对年轻巨行星或棕矮星J1407b环绕的太阳系外环系统的概念环状显示遮蔽年轻太阳状恒星J1407....

作者:韶铟

写于:2018-12-07 04:07:01

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