Sunday, Oct. 19, 2025, sees two comets approach their brightest — and perhaps even be visible to the naked eye. Comet Lemmon (also called C/2025 A6) and the dimmer Comet SWAN (C/2025 R2) are on different journeys, with the former barreling towards the sun while the latter is traveling away from it. There’s an easy way to find Lemmon on Sunday — just find the stars in the handle of the Big Dipper and go in a banana-shaped curve straight to it. Remarkably, both Lemmon and SWAN will reach their closest to Earth at the beginning of next week, around the peak of the Orionid meteor shower on Oct. 20-21 during a new moon.
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