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06 March 2006 23:30

NASA - Solar Minimum has Arrived

by phgod
差不多整個二月都沒有太陽黑子,我們的恒星發生了甚麼事?別擔心,原來是進入了周期性的低谷而已。

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phgod
last mark : 06/03/2006 23:35