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  1. How to see Comet C/2025 R2 (SWAN) shine in the October sky

    Oct 16, 2025 · Here's how to spot the bright comet C/2025 R2 (SWAN) throughout October as it travels close to Earth in the coming weeks.

  2. Comet Tracker For Thursday: Where To See The Comet Before It ...

    4 days ago · Comet Lemmon — C/2025 A6 (Lemmon) — and Comet SWAN — C/2025 R2 (SWAN) — are the first comets visible in binoculars since Comet Tsuchinshan-ATLAS in …

  3. How to see Comet Lemmon and Comet SWAN in October

    Oct 18, 2025 · Learn when and where to see Comet Lemmon and Comet SWAN this October as they light up the night sky in a rare double comet event.

  4. Comet alert! Comets Lemmon and SWAN will be at their closest ...

    Oct 17, 2025 · Comet Lemmon (C/2025 A6) makes its closest approach to Earth on Oct. 21, about 24 hours after the fainter Comet SWAN (C/2025 R2) does the same. Here's how, where …

  5. Comet - Wikipedia

    These phenomena are due to the effects of solar radiation and the outstreaming solar wind plasma acting upon the nucleus of the comet. Comet nuclei range from a few hundred meters …

  6. How to see comets SWAN and Lemmon this month | CNN

    Oct 9, 2025 · Comets SWAN and Lemmon will both swing by Earth and appear bright in the sky near the end of October. Here’s how to see them.

  7. Comet | Definition, Composition, & Facts | Britannica

    Oct 18, 2025 · Comet, a small body orbiting the Sun with a substantial fraction of its composition made up of volatile ices. Comets are among the most-spectacular objects in the sky, with their …