The alignment happens 18.6 days sooner than if the nodes were not moving, creating the shorter eclipse year (about 346.6 days).
这种变动正好比未移动时的交点快18.6天,形成较短的食年(约346.6天)。
Break out the flashlights. When a full lunar eclipse takes place on the shortest day of the year, the planet may just get awfully dark.
拿出手电筒吧。当一年里最短的一天发生月全食,地球可能会变得一片漆黑。
When a full lunar eclipse takes place on the shortest day of the year, the planet may just get awfully dark.
当一年里最短的一天发生月全食,地球可能会变得一片漆黑。
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