When this happens, the umbra cannot reach Earth and an antumbra shadow is created over the planet's surface.
当这种情况发生的时候,本影无法到达地球,非本影阴影就会出现在地球表面。
During the eclipse, the best viewing in North America found the coppery lunar disc high in a cold winter sky, the Moon reddened by light filtering into the Earth's dark central shadow or umbra.
在这次月食中,在北美洲最佳观测点可以看到在寒冬的天空中出现一轮铜黄色的月盘,这是因为月亮由于地球黯淡阴影的中心滤过的光芒而变红了。
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