Starwatch: Partial lunar eclipse offers small-scale drama

A partial lunar eclipse seen from Shanghai in 2010. This time, the eclipse will be visible across Europe, Africa, Greenland and North and South America.

2024-09-16  219  简单

Even for a partial eclipse, this particular one is modest. At the moment of greatest eclipse, the darkest part of Earth’s shadow will cover only 3.5% of the moon’s visible hemisphere. Nonetheless, it is fascinating to watch for the moment the shadow begins to bite into the moon and creep across its surface.

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