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Evidence Found for ‘Lost’ Sunspot Cycle

2 Jul 2009, 13:53 UTC
Evidence Found for ‘Lost’ Sunspot Cycle Vacuum Tower Telescope, NSO, NOAO
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In a paper to be published in the Astrophysical Journal Letters, available online now here, astronomers have announced the uncovering of new evidence in support of a very early sunspot cycle in the 18th century. The authors inform the community that this “brings the attention of the scientific community to the need of revising
the sunspot series in the 18th century.”

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