"cometary nucleus"

#13579425

15 Apr 2026

Comet C/2025 R3, also known as Pan-STARRS, is visible before dawn in the sky of Karawang, West Java, on April 15, 2025. Comet C/2025 R3 (Pan-STARRS) is a rare long-period comet originating from the Oort Cloud, located at the edge of the solar system, and passes close to the Sun approximately every 170,000 years. This comet was first detected on September 7-8, 2025, by the Panoramic Survey Telescope and Rapid Response System (Pan-STARRS) telescope system in Hawaii. Astronomers predict that the comet will be at its closest distance to the Sun on April 19, appearing very bright in the eastern sky before dawn and visible to the naked eye under dark sky conditions.

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#13579426

15 Apr 2026

Comet C/2025 R3, also known as Pan-STARRS, is visible before dawn in the sky of Karawang, West Java, on April 15, 2025. Comet C/2025 R3 (Pan-STARRS) is a rare long-period comet originating from the Oort Cloud, located at the edge of the solar system, and passes close to the Sun approximately every 170,000 years. This comet was first detected on September 7-8, 2025, by the Panoramic Survey Telescope and Rapid Response System (Pan-STARRS) telescope system in Hawaii. Astronomers predict that the comet will be at its closest distance to the Sun on April 19, appearing very bright in the eastern sky before dawn and visible to the naked eye under dark sky conditions.

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#13579427

15 Apr 2026

Comet C/2025 R3, also known as Pan-STARRS, is visible before dawn in the sky of Karawang, West Java, on April 15, 2025. Comet C/2025 R3 (Pan-STARRS) is a rare long-period comet originating from the Oort Cloud, located at the edge of the solar system, and passes close to the Sun approximately every 170,000 years. This comet was first detected on September 7-8, 2025, by the Panoramic Survey Telescope and Rapid Response System (Pan-STARRS) telescope system in Hawaii. Astronomers predict that the comet will be at its closest distance to the Sun on April 19, appearing very bright in the eastern sky before dawn and visible to the naked eye under dark sky conditions.

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#12949561

4 Nov 2025

Comet C/2025 A6 (Lemmon) is seen from municipality of Calascio, Italy, on October 29th 2025.

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#11668662

15 Oct 2024

The comet Tsuchinshan-ATLAS (C/2023 A3) is seen over Torre del Pizzo, in Gallipoli, Italy, on October 15, 2024. The comet's coma, or head, measures around 130,000 miles (209,000 kilometers) in diameter, with a tail extending 18 million miles (29 million kilometers). It is not expected to return for another 80,000 years.

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#11668661

15 Oct 2024

The comet Tsuchinshan-ATLAS (C/2023 A3) is seen over Torre del Pizzo, in Gallipoli, Italy, on October 15, 2024. The comet's coma, or head, measures around 130,000 miles (209,000 kilometers) in diameter, with a tail extending 18 million miles (29 million kilometers). It is not expected to return for another 80,000 years.

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#11625983

1 Oct 2024

C/2023 A3 (Tsuchinshan-ATLAS) comet is seen before sunrise in Calascio, Italy, on October 1st, 2024. ''The Century Comet'' C/2023 A3 (Tsuchinshan-ATLAS) is a newly discovered comet, first observed in January 2023 by the Tsuchinshan Observatory and the ATLAS project.

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