outer space例句

In 1957, the Soviets launched Sputnik 1 into outer space.
1957年，苏联人将“斯普特尼克1号”人造卫星送入了外层空间。

They have been visited by creatures from outer space.
有外星人拜访了他们。

radio waves from outer space
来自外层空间的无线电波