Comets C/2025 A6 Lemmon & C/2025 R2 SWAN at their closest approach to Earth – online observation – YouTube
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Two comets, C/2025 A4 (Lemmon) and C/2025 R2 (SWAN), are about to reach their closest approach to Earth and you can…
Watch comets Lemmon and SWAN make their closest approach to Earth live online on Oct. 20
