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Astronomy News 2 October 2025 - 6 October 2025

Skywatch Alert: Harvest Supermoon, Meteors & Auroras Light Up Oct 6–7, 2025

Skywatch Alert: Harvest Supermoon, Meteors & Auroras Light Up Oct 6–7, 2025

Key Skywatch Highlights (October 6–7, 2025): The Harvest Supermoon of October 6–7, 2025 Illustration: A comparison of a supermoon at perigee vs. a micromoon at apogee, as seen from Earth. The Oct. 6 full moon occurs near lunar perigee, making it a supermoon (larger and brighter than average) science.nasa.gov. NASA/JPL-Caltech. October’s full moon arrives on the night of October 6–7 and is extra special: it’s both the Harvest Moon and a Supermoon. The term Harvest Moon refers to the full moon closest to the autumnal equinox (Sept. 22), traditionally aiding farmers with extended evening light timeanddate.com. In 2025, the September
6 October 2025
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Beaver Moon 2025: November’s Supermoon Spectacle Illuminates Sky and Storytelling

October 2025’s Rare Harvest Supermoon – Biggest, Brightest Full Moon of the Year

A Rare “Harvest Supermoon” Lights Up October Skies Mark your calendars for a lunar spectacle: on the night of October 6, 2025, a conspicuously big, bright full moon will dominate the sky. This isn’t just any full moon – it’s a “Harvest Moon” Supermoon, an unusual coincidence that promises a dazzling show. Skywatchers across the globe will be able to enjoy this brilliant moon without any special equipment, as long as clouds don’t get in the way. And unlike an eclipse or meteor shower, everyone in the world can see this supermoon if it’s nighttime in their time zone, since
5 October 2025
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Interstellar Comet 3I/ATLAS Shrouded in CO₂ Fog – NASA’s SPHEREx Reveals a Cosmic Visitor’s Secrets

Is 3I/ATLAS an Interstellar Messenger? New Findings Debunk Alien Rumors but Reveal an Ancient, Carbon‑Rich Comet

A Rare Interstellar Visitor When astronomers with the Asteroid Terrestrial‑impact Last Alert System (ATLAS) noticed an object with an extraordinarily high orbital eccentricity racing through the outer solar system in June 2025, they immediately suspected an interstellar origin. Follow‑up observations confirmed that the body, now designated 3I/ATLAS, follows a hyperbolic path and moves faster than any known comet, approximately 210 000 km per hour esa.int. Unlike periodic comets, this object will never return once it leaves the Sun’s gravitational grasp, making it only the third confirmed interstellar visitor after ʻOumuamua in 2017 and 2I/Borisov in 2019 science.nasa.gov. The comet’s trajectory takes it between
5 October 2025
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Supermoon, Northern Lights & “Dragon” Meteors: Skywatch Alerts for Oct. 5–6, 2025

Supermoon, Northern Lights & “Dragon” Meteors: Skywatch Alerts for Oct. 5–6, 2025

The Night Sky Spectacle: October 5–6, 2025 As we head into the first weekend of October 2025, the night sky is bursting with activity. From an extra-bright full Moon to a flurry of meteors – and even lingering auroras and newfound comets – skywatchers across the globe have plenty to look up for. Here’s a detailed rundown of what to expect on the nights of October 5–6, 2025, including where and when to see each phenomenon, expert insights, and viewing tips from NASA, NOAA, and other authorities. A Dazzling Harvest Supermoon Takes Center Stage The Moon will be the undeniable
5 October 2025
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Don’t Miss This Weekend’s Cosmic Extravaganza: Supermoon, Saturn Show & Meteor Surprises (Oct 4–5, 2025)

Don’t Miss This Weekend’s Cosmic Extravaganza: Supermoon, Saturn Show & Meteor Surprises (Oct 4–5, 2025)

Key Facts: International Observe the Moon Night – Global Moonwatch on Oct. 4 Saturday, October 4 is International Observe the Moon Night, an annual worldwide event organized by NASA and partners to encourage everyone to look up at our Moon and learn more about it. This year’s celebration has an especially large participation: over 950 events are registered across the Americas, Europe, Asia, and beyond space.com. From science museums and national parks to local astronomy clubs and even elementary schools, organizations will host public Moon observation sessions and educational activities space.com. Many events feature telescopes trained on the Moon’s surface,
4 October 2025
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Two Comets Will Light Up October’s Night Sky – When and How to Watch

Two Comets Will Light Up October’s Night Sky – When and How to Watch

Two Icy Visitors from the Outer Solar System This fall’s night sky brings not one but two comets into view – a rare cosmic coincidence that has amateur astronomers buzzing. Comet C/2025 A6 (nicknamed Lemmon) and Comet C/2025 R2 (SWAN) both formed in the frigid outskirts of the solar system and have traveled inward for the first time in millennia. “These features make ‘Lemmon’ a striking reminder of the icy wanderers that visit the inner solar system from the distant Oort Cloud,” noted astronomer Aleix Roig after capturing the comet’s eerie green glow in late September space.com. Comets like these
4 October 2025
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Double Meteor Shower Spectacle: Draconid and Orionid Displays Will Light Up October’s Night Sky

Double Meteor Shower Spectacle: Draconid and Orionid Displays Will Light Up October’s Night Sky

Draconid Meteor Shower – October’s Early-Show “Dragon” Fireworks The Draconid meteor shower – emanating from the northern constellation Draco (the Dragon) – kicks off the month’s skywatching excitement. In 2025 the Draconids are active from October 6 to 10, with peak activity predicted on the evening of October 8 (into the early hours of Oct. 9) earthsky.org. Unlike most meteor showers which are strongest after midnight, the Draconids are best viewed in the early evening after nightfall earthsky.org. That’s because Draco’s “head,” where the shower’s radiant lies, is highest in the sky in the evening and then sinks lower later
4 October 2025
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Rogue Planet Gobbles 6 Billion Tons of Gas per Second — Behaving Like a Star

Rogue Planet Gobbles 6 Billion Tons of Gas per Second — Behaving Like a Star

A Cosmic Feeding Frenzy Astronomers have long known that rogue planets (also called free‑floating planetary‑mass objects) drift through space without a host star sciencealert.com. Most are cold and quiet, but Cha 1107-7626 is anything but quiet. In late June 2025, it suddenly brightened dramatically. Follow-up observations revealed an EXor‑type accretion burst – a rapid feeding episode like those seen in infant stars sciencealert.com. By August, the planet’s accretion rate had skyrocketed: at its peak it was pulling in roughly 6 billion tons of cosmic gas and dust every second phys.org. This translates to about 10⁻⁷ Jupiter masses per year – an unheard‑of rate for any planet sciencealert.com. Víctor Almendros‑Abad, an
4 October 2025
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Interstellar Comet 3I/ATLAS: A Visitor from Beyond the Solar System

Rare Cosmic Flyby: Interstellar Comet 3I/Atlas to Zip Past Mars as Spacecraft Brace for Close-Up Study

Looking Ahead: What 3I/Atlas Can Teach Us This week’s close approach marks just the beginning of an intensive observation campaign. Once 3I/Atlas dives behind the Sun in late October, Earth-based telescopes will lose it, but Mars and Jupiter satellites (and later telescopes on Earth in December) will continue the story. During perihelion and its outbound journey past Jupiter (in early 2026) the comet should reveal its secrets – or at least its usual cometary face. As one commentator notes, watching 3I/Atlas in this active phase “will give some of the clearest insights yet into the mystery of interstellar comets” space.com.
4 October 2025
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Full Moons 2025–2026: Supermoons, Blood Moons & Cultural Celebrations You Can’t Miss

You Won’t Believe This October Surprise: Harvest Supermoon 2025 Rises with Meteor Showers

The 2025 Harvest Moon brings a spectacular conjunction of lunar and celestial events. On Oct. 6 (Oct. 7 UTC) the Moon will be full and at perigee, meaning it’s unusually close to Earth livescience.com nationalgeographic.com. NASA explains that when a full moon coincides with perigee, its disk can appear about 30% brighter and 14% larger than average science.nasa.gov. In fact, the 2025 Harvest Moon will be about 224,600 miles from Earth – roughly 10% nearer than a typical full Moon livescience.com. This proximity makes it a supermoon; as NASA notes, “the moon is bigger and brighter because…it’s a supermoon!” on
4 October 2025
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7 Celestial Events You Can’t-Miss on Oct. 3–4, 2025

7 Celestial Events You Can’t-Miss on Oct. 3–4, 2025

<div markdown=”1″><!– Begin Satellite Passes Paragraph –> :contentReference[oaicite:27]{index=27}Satellites streak across the sky at dawn/dusk. SpaceX’s Starlink trains are often visible shortly after launch: bright, evenly-spaced lights that move together like a miniature “train”:contentReference[oaicite:28]{index=28}. (Recent launches mean new trains on the nights following Oct. 2–3:contentReference[oaicite:29]{index=29}.) Meanwhile, the ISS is visible as a bright, fast-moving “star” about 90 minutes apart whenever it crosses your sky. NASA notes that all ISS sightings occur within a few hours of sunrise or sunset:contentReference[oaicite:30]{index=30}. Sign up for NASA’s Spot the Station to get precise pass times for your location. </div> <div markdown=”1″><!– Begin Comets Paragraph –> :contentReference[oaicite:31]{index=31}Comet
3 October 2025
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Spectacular October 2–3, 2025 Skywatch Alert: Meteor Showers, Planets & Aurora on the Horizon

Spectacular October 2–3, 2025 Skywatch Alert: Meteor Showers, Planets & Aurora on the Horizon

Meteor Showers: Draconids & Orionids Early October brings the Draconids and Orionids meteor showers. NASA’s skywatching notes explain that the Draconids (debris from comet 21P/Giacobini-Zinner) will streak through the sky Oct. 6–10 nationalgeographic.com. In a perfect dark sky the Draconids can reach “up to 10 meteors per hour,” but this year a bright full Moon on Oct. 6–7 will drown out most fainter meteors science.nasa.gov. Observers should try to block the Moon (for example, by hiding it behind a tree or building) if possible. After the Draconids, the Orionid meteor shower ramps up. Space.com reports “the Orionid meteor shower has
2 October 2025
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