Dark side of the moon - level 2
People on Earth can only see one side of the moon because the moon is locked to our planet. There is a side of the moon which you can never see. It is called the dark side of the moon.
First images of the side could be seen in 1959 thanks to a Soviet mission. Now, a camera aboard a NASA satellite captured it. It took a series of images. The images show a crater and how the moon moves across the Pacific Ocean towards North America.
Difficult words: series (a set), crater (a large space in the ground which looks like a bowl).
You can read the original story and watch the video in the Level 3 section.
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