The super blue moon also occurred during a total lunar eclipse.

超级蓝月亮也会发生在月全食期间。

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The total lunar eclipse coincided with the date of the December Solstice.

这次月全食恰好发生在冬至日。

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A lunar eclipse occurs when the Earth's shadow falls on the moon. Lunar eclipses occur, on average, about every 6 months.

月食的发生，是由于地球的影子落在月球上。月食发生的频率平均是6个月一次。

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It's also the first time in more than 30 years that a supermoon and a total lunar eclipse are happening on the same day.

CNN: Best way to see supermoon? On a Chinese moon-viewing flight

There will be another total lunar eclipse on 16 July this year, visible from Asia, the Pacific and the western side of the Americas.

BBC: You are in: Sci/Tech

This year's September 27 marks three important lunar events -- a supermoon, a total lunar eclipse and Asia's Mid-Autumn Festival, also known as the Moon Festival.

CNN: Best way to see supermoon? On a Chinese moon-viewing flight