The Great Comet Of 1997 Was Visible To The Naked Eye For A Record 569 DaysLater this month, on October 21 to be precise, comet C/2025 A6 (Lemmon) will make a close approach to the Earth. At a predicted magnitude of 3.9, the dramatically brightening comet should be visible to the naked eye as it rushes past.The rest of this article is behind a paywall. Please sign in or subscribe to access the...
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