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  1. 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 …

  2. Comet Browser: a Personal AI Assistant

    Comet browser by Perplexity is the AI browser that acts as a personal assistant. Automate tasks, research the web, organize your email, and more with Comet.

  3. 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 …

  4. Why are scientists rushing to study a comet from deep space?

    1 day ago · The comet is the third interstellar object from deep space ever recorded to pass through Earth's solar system.

  5. There's another comet ATLAS in our solar system - Live Science

    2 days ago · New photos show that the recently discovered comet C/2025 K1 (ATLAS) developed a surprising golden glow after reaching its closest point to the sun. Until now, the comet has …

  6. 3I Atlas comet updates: Where is it now, and what scientists are …

    Oct 29, 2025 · The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s what’s known about it and what we’ve learned so far.

  7. Comets - Science@NASA

    Jul 17, 2025 · When a comet's orbit brings it close to the Sun, it heats up and spews dust and gases into a giant glowing head larger than most planets. The dust and gases form a tail that …

  8. Interstellar comet 3I/ATLAS just zipped by the sun. Discover what’s ...

    Oct 30, 2025 · An interstellar comet that originated outside our solar system just flew by the sun. Next, the object will fly by Earth in December.

  9. Manhattan-size comet 3I/ATLAS streaking toward the Sun

    Oct 30, 2025 · Manhattan-size comet 3I/ATLAS -- which is the third known interstellar object to enter our solar system -- will reach its closest approach to the Sun on October 30.

  10. Interstellar comet 3I/ATLAS could help protect Earth from …

    Oct 27, 2025 · A newly found interstellar comet poses absolutely no threat to Earth, but a NASA-coordinated group plans to observe it to help our ability to monitor any future objects that might …