Lyrids

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The Lyrids are a strong meteor shower lasting from April 15 to April 28 each year. The radiant of the meteor shower is located in the constellation Lyra. It peaks at April 22. The source of the meteor shower is the periodic Comet C/1861 G1 Thatcher. The Lyrids have been observed for the past 2600 years.

The shower on May 22^[1], 687 BC (proleptic Julian calendar) was recorded in Zuo Zhuan, which describes the shower as "On day xīn-mǎo of month 4 in the summer (of year 7 of King Zhuang of Lu), at night, fixed stars are invisible, at midnight, stars dropped down like rain." (夏四月辛卯夜恆星不見夜中星隕如雨)

[edit] Notes and references

^ Some sources claims it was March 16, which can't be right. First, March 16 they claimed was actually in proleptic Gregorian calendar; Second, it was not in summer as original text have described clearly.