今天上NASA官网时发现的,似乎对于我们这些可能无法观看的人是一种补偿,哈
When the moon passes through the Earth's shadow, it causes the moon to look very unusual for a short period of time. This event is called a lunar eclipse, and it occurs roughly twice a year. Learn more about how lunar eclipses work in this video!
提供的视频分标准格式和stereoscopic 3D格式两种格式
NARRATED VIDEO: Learn more about how a lunar eclipse works by watching this video!
带解说的录像:看视频了解月食如何形成的(强烈推荐)