Good articleHD 40307 d has been listed as one of the Natural sciences good articles under the good article criteria. If you can improve it further, please do so. If it no longer meets these criteria, you can reassess it.
Article milestones
DateProcessResult
November 16, 2008Good article nomineeListed
January 16, 2009Good topic candidatePromoted
October 4, 2014Good topic removal candidateDemoted
Current status: Good article

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