Have you ever received an email that seemed just a little too good to be true? A while back, I found myself in just such a situation when a video of fireworks in front of Mount Fuji landed in my inbox. The story accompanying it was heartwarming—fireworks intended for the 2020 Olympics, canceled due to the pandemic, shared with the world instead. But something about it didn't sit right with me, and that's where our journey begins.
曾经，一封电子邮件和一个视频让我陷入了深深的思索。邮件里转发了一段在富士山前绽放的壮观烟花的视频，据说这些烟花原本是为2020年奥运会开幕式准备的，但由于疫情取消，日本决定分享给全世界。这个故事听起来很美，烟花也非常震撼。
你有没有想过，为什么有些卫星看起来仿佛悬停在空中，静静地注视着地球？这些卫星实际上位于地球同步轨道上，它们以一种奇特的方式与地球同步旋转。今天，我们就来揭开地球同步轨道的神秘面纱。