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157. News-Rare Blue Supermoon appears in night sky

2023-09-03 19:09 作者:钨丝wus_studio  | 我要投稿

词汇 

1.      confluence 汇合,交汇

2.      occur 发生,出现

3.      decade 十年

4.      elapse 时间消逝

5.      average 平均数,平均的,普通的

 

Rare Blue Supermoon Appears in Night Sky

A rare blue supermoon appeared in the sky Wednesday night. A blue supermoon, or super blue moon, is the confluence of two events: A supermoon--when a full moon occurs within a day of the moon's closest point of orbit to Earth--and a blue moon, when it's the second full moon in a single month.

According to the National Aeronautics and Space Administration, as many as two decades can elapse between blue supermoons, but about 10 years is the average. The next blue supermoons are expected in 2037, in January and again in March of that year, NASA said.

 

 


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