Because they are so dim, it is plausible that the Sun could have a secret companion even though we've searched the sky for many years with a variety of instruments.

尽管我们用各种仪器搜寻天域许多年未有任何发现，但由于它们是那么的暗淡，因此太阳还是很有可能有一颗神秘的伴星。

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Earlier this week, agents searched Dutschke's residence and former martial arts studio, though it's not clear what they found.

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