科学家们观测到了一颗与太阳类似的恒星，它拥有自己的行星系统。

Scientists have observed a ___sun-like star with its own planetary system.

这颗恒星拥有类似太阳的特征，科学家们称之为类太阳恒星。

Scientists call this star a ___sun-like star because it shares characteristics with our Sun.