经典科普资源 · Ready to read 宇宙
Moon
月亮
What is that so big and bright in our night sky? Our Moon, of course!
我们的夜空中那么大那么亮的是什么? 当然是我们的月球了!
Scientists are not certain how our Moon came to be. Many think a large object slammed into our young Earth billions of years ago.
科学家们不确定月球是如何形成的。 许多人认为,数十亿年前,一个巨大的物体撞击了我们年轻的地球。
The impact sent rocks and dust flying. In time the rocks and dust gathered to form our Moon.
撞击使岩石和尘土飞扬。 随着时间的推移,岩石和尘埃聚集在一起形成了我们的月球。
The Moon is Earth's only natural satellite. It travels around Earth once every twenty-eight days.
月球是地球唯一的天然卫星。 它每28天绕地球一周。
As it travels, the Moon's gravity pulls on our oceans. That pull causes low and high tides.
当它运行时,月球的引力会拉着我们的海洋。 这种拉力导致涨潮和低潮。
