广播节目宣传了从天空落下的太空垃圾. Radio show promotes episode about space junk falling from the sky.

广播节目"背景故事:从天空落下太空垃圾", 正在多个电台上宣传. A radio show titled "The Backstory: Space Junk Falling From the Sky" is being promoted across multiple radio stations. 节目似乎集中在太空碎片的主题. The program appears to focus on the topic of space debris.