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Comets News 3 July 2025 - 30 September 2025

Cosmic Skywatch Alert: Geomagnetic Storms, Shooting Stars & Comets Light Up Late Sep–Early Oct 2025

Space Weather & Aurora Forecast NOAA forecasts a Strong (G3) geomagnetic storm on Sept 30, 2025. According to SWPC, “G3 (Strong) geomagnetic storming is expected through 30/1200 UTC due to CME influences” swpc.noaa.gov. This follows an M6.4-class solar flare on Sept

30 September 2025

Saturn Dazzles, New Comet Rises, and Auroras Loom: Skywatch Alert for Sept 24–25, 2025

Saturn Steals the Show If you step outside on these late-September nights, Saturn immediately grabs your attention. The ringed planet reached opposition (when Earth passed directly between Saturn and the Sun) on September 21, and it remains exceptionally bright and

24 September 2025

Astronomy · Auroras · Comets · Planets · Skywatching

Interstellar Comet 3I/ATLAS: A Visitor from Beyond the Solar System

Rare Interstellar Comet Racing Through Our Solar System Could Be the Oldest Ever Seen

A Mysterious Visitor from Beyond the Solar System Interstellar comet 3I/ATLAS photographed under dark skies during a lunar eclipse, revealing an emerald-green coma surrounding its nucleus space.com. This rare alien comet carries chemical clues from a distant star system. In

17 September 2025

Astronomy · Comets · Science · Solar System · Space

Mysterious Comet SWAN R2: New Interstellar Visitor or Oort Cloud Wanderer?

Discovery of Comet C/2025 R2 (SWAN) Comet C/2025 R2 (SWAN) was spotted in early September 2025 in a rather unconventional way – by searching for faint glows in SOHO satellite images. The SOHO spacecraft’s SWAN instrument scans the entire sky

17 September 2025

Astronomy · Astrophysics · Comets · Science News · Space Exploration

Interstellar Comet 3I/ATLAS Shrouded in CO₂ Fog – NASA’s SPHEREx Reveals a Cosmic Visitor’s Secrets

3I/ATLAS (C/2025 N1 ATLAS) was discovered July 1, 2025 by the ATLAS survey telescope in Chile and is on a hyperbolic, unbound path with eccentricity ~6.2, making it the third confirmed interstellar object after 1I/‘Oumuamua and 2I/Borisov. Early estimates suggested

5 September 2025

Astronomy · Comets · Discoveries · NASA · Space

Interstellar Comet 3I/ATLAS: A Visitor from Beyond the Solar System

3I/ATLAS was first spotted on July 1, 2025 by the ATLAS telescope in Río Hurtado, Chile, and officially designated 3I/2025 A1 (ATLAS), the third confirmed interstellar object after 1I/‘Oumuamua (2017) and 2I/Borisov (2019). It is traveling through the inner solar

19 August 2025

Astronomy · Comets · Interstellar Objects · Solar System · Space Exploration

3I/ATLAS: The Fastest Interstellar Comet Ever—Here’s What Scientists Are Saying

Interstellar Comet 3I/ATLAS – Third Cosmic Visitor Unveiled, Fast and Enormous

3I/ATLAS is the third interstellar object ever recorded. It was first spotted on July 1, 2025 by the ATLAS survey telescope in Río Hurtado, Chile. The designation 3I/ATLAS marks it as the third interstellar object in our solar system. Its

2 August 2025

Astronomy · Comets · Discoveries · Interstellar Objects · Space News

Astronomers Spot a 7-Billion-Year-Old Interstellar Comet – Could It Be the Oldest Ever Seen?

On July 1, 2025, the ATLAS telescope in Río Hurtado, Chile, detected 3I/ATLAS near Jupiter’s orbit with a hyperbolic, interstellar trajectory. 3I/ATLAS is the third interstellar object identified, following 1I/ʻOumuamua in 2017 and 2I/Borisov in 2019. Estimates place 3I/ATLAS at

17 July 2025

Astronomy · Comets · Discoveries · Science News · Space

Interstellar Comet 3I/ATLAS: Origin, Trajectory and Scientific Stakes In 2025’s Third‑Ever Extrasolar Visitor

<li ATLAS imaged the interstellar candidate on 1 July 2025, with precovery back to 14 June 2025, and it was designated C/2025 N1 (ATLAS) and later 3I/ATLAS as the third confirmed interstellar object after Oumuamua and Borisov. <li A JPL

8 July 2025

Astronomy · Astrophysics · Comets · Scientific Discoveries · Space Exploration

3I/ATLAS: The Fastest Interstellar Comet Ever—Here’s What Scientists Are Saying

3I/ATLAS (C/2025 N1) is the third identified interstellar object, discovered on 1 July 2025 by the ATLAS telescope in Chile. It is on an extremely hyperbolic trajectory with a velocity of about 68 km/s and will reach perihelion on 29

3 July 2025

2025 · Astronomy · Comets · Discoveries · Space Science

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