说起来容易但做起来难。随着恒星的衰老，其阴暗斑点的数量也随之下降。再加上基于地球的天文学研究所遇到的困难。
That is easier said than done. The number of spots falls as a star ages. Combined with the difficulties of Earth-based astronomy.
在一片年青的红衫树林里，一只被加上了记号的北方斑点猫头鹰正朝研究人员的诱饵猛扑过来。
A tagged northern spotted owl swoops toward a researcher's lure in a young redwood forest.
在一片年青的红衫树林里，一只被加上了记号的北方斑点猫头鹰正朝研究人员的诱饵猛扑过来。
A tagged northern spotted owl swoops toward a researcher's lure in a young redwood forest.
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