The construction of the Allen Telescope Array on an arid plateau in northern California greatly expands the number of star systems from which astronomers could detect signals.
位于北加州干旱高原上建造的艾伦望远镜阵列将天文学家所能探测到信号的恒星系统数量大大地增加了。
2
The number of spots falls as a star ages.
随着恒星的衰老，其阴暗斑点的数量也随之下降。
3
Equal: Every row has the same number of stars, like the 30-star or 48-star flag.