ISS Back to Full Strength, Artemis 2 Battles Hydrogen Leaks, and Enceladus Goes Electromagnetic


• Crew-12 Docks at ISS — The SpaceX Crew-12 mission docked at the International Space Station on Valentine’s Day, restoring the station to full strength after over a month with a skeleton crew. Astronauts Jessica Meir, Jack Hathaway, Sophie Adenot, and Andrey Fedyaev join Expedition 74 for an eight-month mission. • Artemis 2 Hydrogen Leak Update — NASA’s “confidence test” on the SLS rocket’s repaired hydrogen fueling seals showed mixed but cautiously encouraging results. March remains the earliest potential launch window for humanity’s first crewed mission to the Moon in over 50 years. • Enceladus: Electromagnetic Powerhouse — A major new study of 13 years of Cassini data reveals Saturn’s tiny moon Enceladus generates Alfvén waves extending over 504,000 km, transforming our understanding of how small moons influence giant planetary magnetospheres. • Catching 3I/ATLAS — Researchers from the Initiative for Interstellar Studies propose a Solar Oberth Manoeuvre mission launching in 2035 that could intercept the interstellar comet, currently heading toward Jupiter for its closest pass on March 16. • Geomagnetic Storm Watch — G1 minor storming is likely today as a coronal mass ejection arrives alongside fast solar wind from a returning transequatorial coronal hole. Aurora possible at higher latitudes tonight. • SpaceX Starlink 6-103 — 29 Starlink V2 Mini satellites launched to orbit in the early hours of today, the 10th orbital flight from Cape Canaveral in 2026. LINKS & RESOURCES: • NASA Crew-12 Docking: https://www.nasa.gov/blogs/spacestation/2026/02/14/spacex-crew-12-docks-to-station-beginning-long-duration-mission/ • Artemis 2 Confidence Test Update: https://www.nasa.gov/blogs/missions/2026/02/13/following-confidence-test-nasa-continues-artemis-ii-data-review/ • Enceladus Alfvén Wings Study: https://phys.org/news/2026-02-tiny-enceladus-giant-electromagnetic-saturn.html • 3I/ATLAS Solar Oberth Paper: https://www.universetoday.com/articles/a-new-concept-for-catching-up-with-3iatlas • Space Weather Updates: https://earthsky.org/sun/sun-news-activity-solar-flare-cme-aurora-updates/ • Spaceflight Now Launch Schedule: https://spaceflightnow.com/launch-schedule/ Astronomy Daily is part of the Bitesz.com Podcast Network Website: https://astronomydaily.io Social: @AstroDailyPod
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Kind: captions
Language: en
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Good Monday everyone and welcome to
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Astronomy Daily, your go-to source for
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space and astronomy news. I'm Anna.
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>> And I'm Avery. It's February 16th, 2026,
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and what a weekend it's been in space.
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We've got six stories for you today.
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Starting with some very welcome news
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from low Earth orbit.
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>> That's right. After more than a month of
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operating with a skeleton crew, the
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International Space Station is finally
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back to full strength. SpaceX's Crew 12
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mission docked at the ISS on Saturday
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afternoon, Valentine's Day, no less,
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bringing four fresh crew members to the
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orbiting laboratory.
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>> And what a crew it is. We've got NASA
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astronauts Jessica Mayor and Jack
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Hathaway, ESA astronauts Sophie Adonaut
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from France, and Rosscosmos cosminaut
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Andre Fedv. They launched aboard a
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Falcon 9 rocket early on Friday the
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13th. The first time NASA has ever
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launched a crude mission on a Friday the
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13th. By the way,
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>> a lucky day after all. The Dragon
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capsule Freedom docked at the space-f
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facing port of the Harmony module at
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3:15 p.m. Eastern time on Saturday.
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Commander Jessica Mayer radioed up as
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they approached, and Chris Williams,
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who'd been holding the fort with just
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two cosminauts since mid January, was
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clearly delighted to see them arrive.
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>> You can understand why. The station had
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been down to just three crew members
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since January 15th when crew 11 departed
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a month ahead of schedule due to a
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medical issue with one of its
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astronauts. NASA hasn't identified which
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astronaut or given details, but it left
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the ISS short staffed for a lot longer
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than anyone wanted. Now, here's the
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interesting subplot to this mission. The
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original Crew 12 lineup was different.
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Russian cosminaut Oleg Artamev was
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originally assigned to the flight but
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was abruptly removed back in December.
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Ross Cosmos officially said he was
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transitioning to other work but reports
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from investigative journalists tell a
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rather different story.
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>> Right. As we reported last week,
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according to the insider, Artamev was
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expelled from the United States after
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being accused of violating international
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traffic and arms regulations, IT as it's
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known. He was allegedly caught
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photographing SpaceX engines, documents,
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and other sensitive technologies with
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his phone. That's a serious allegation
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in the world of space cooperation.
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>> Very serious indeed. It's a reminder
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that even in an era of international
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collaboration aboard the ISS,
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geopolitical tensions are never far from
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the surface. Fed YV stepped in as the
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replacement and the mission went ahead.
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>> The Crew 12 team is expected to stay
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aboard through October, making this a
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slightly longer stint than the usual 6
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months. Sophie Adano has a particularly
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packed schedule. She's expected to take
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part in nearly 200 experiments,
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including testing a development version
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of the new EVA suit called Euro Suit,
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which was developed by French companies
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Spartan Space and Decathlon along with
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the Institute of Space Medicine.
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>> Pesting space suits designed partly by
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the people who make hiking gear. I love
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that. All right, let's move to our
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second story, and it's the saga that
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just won't quit. Artemis 2 and its
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ongoing battle with hydrogen leaks.
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>> Oh, this is becoming quite the drama.
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So, here's where things stand. NASA
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conducted what they called a confidence
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test on February 12th, partially filling
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the SLS core stages liquid hydrogen tank
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to check whether newly replaced seals in
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the fueling interface were doing their
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job.
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>> And the result
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>> mixed. They encountered a problem with
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ground support equipment that reduced
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the flow of hydrogen into the rocket.
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But the good news is that engineers were
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able to gather data at the critical
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interfaces, the exact points where the
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leak had occurred during the earlier wet
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dress rehearsal on February 2nd. And
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from what NASA administrator Jared
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Isaacman said during the Crew 12
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coverage, the early signs are cautiously
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encouraging.
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>> He said they didn't see the same leaks
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at comparable periods during this test
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that they'd seen during the full wet
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dress rehearsal. That's progress, even
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if it's not a definitive green light
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yet.
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>> For those catching up, here's the
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backstory. The first wet dress rehearsal
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ran from January 31st through February
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3rd. They managed to fully load both SLS
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stages with cryogenic propellant and
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even got the countdown to the tus 5
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minute mark. But then the ground launch
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sequencer automatically stopped
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everything because of a spike in the
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hydrogen leak rate. And these pesky
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hydrogen leaks are nothing new for the
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SLS program. They plagued Artemis 1 back
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in 2022, causing months of delays. The
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mission management team chair, John
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Honeyut, admitted this latest round
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caught them off guard. Hydrogen is such
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a tiny molecule, it can escape through
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the smallest imperfection in the
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propellant system.
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>> The February launch window has already
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been abandoned, and NASA's now targeting
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March for the earliest possible launch.
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Engineers worked through the weekend to
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purge lines, inspect equipment, and
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replace a filter suspected of causing
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the reduced flow. A second full wet
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dress rehearsal is expected before any
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launch attempt. We'll keep following
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this one closely. Artemis 2, when it
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does fly, will send four astronauts,
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Reed Wisman, Victor Glover, Christina
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and Canadian astronaut Jeremy
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Hansen, on a 10-day trip around the
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moon. The first crude lunar flyby since
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the Apollo era. Now, from the challenges
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of getting off our planet to the wonders
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of the outer solar system, our third
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story is a real beauty, Anna.
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>> Oh, I love this one. Saturn's tiny moon,
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Enceladus, just 500 km across, has been
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revealed as a giant electromagnetic
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powerhouse whose influence stretches
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over half a million km through Saturn's
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space environment.
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>> Half a million km. That's more than
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2,000 times the moon's own radius. An
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international team led by Lena Hadid
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from the Laborator the Plasmas in France
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analyzed 13 years of data from the
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Cassini spacecraft and what they found
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is stunning.
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>> So we all know Enceladus for its water
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geysers. Those spectacular plumes
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erupting from the South Pole. But it
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turns out those geysers do a lot more
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than just spray water into space. The
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water vapor and dust become ionized,
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creating an electrically charged plasma
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that interacts with Saturn's magnetic
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field as it sweeps past.
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>> And that interaction generates these
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structures called alphen wings. Think of
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them like electromagnetic vibrations
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traveling along a string, except the
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string is Saturn's magnetic field lines,
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and they're connecting this tiny moon to
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the giant planet's poles. The
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researchers found that the primary
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alphen wing isn't just a simple
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structure. It's threaded by finecale
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filaments produced by turbulence in the
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plasma. These filaments help the waves
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bounce back and forth between Saturn's
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ionosphere and the plasma taus that
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encircles Enceladus' orbit. The result
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is this incredible lattis-like pattern
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of crisscrossing electromagnetic waves.
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Across four different Cassini
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instruments, the team identified 36
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separate crossings that showed these
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wave signatures. And here's the
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remarkable part. 13 of those crossings
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occurred far from any close flyby of
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Enceladus. The moon's electromagnetic
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reach is simply enormous. Co-author
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Thomas Chust described Enceladus as a
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planetary scale alphan wave generator, a
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moon just 500 km wide capable of
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influencing the magnetospheric
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environment on the scale of Saturn
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itself. The team says this has major
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implications for understanding how small
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bodies regulate energy flow in giant
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planetary magnetospheres.
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>> And there's a forward-looking element,
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too. The researchers say their findings
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highlight the importance of future
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missions to Enceladus like the planned
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issa orbiter and lander in the 2040s
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carrying instruments specifically
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designed to study these electromagnetic
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interactions
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>> from Enceladus to interstellar space.
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Now our fourth story takes us to the
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ongoing saga of 3ATLS
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the third interstellar object ever
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detected in our solar system. And today,
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researchers from the Initiative for
00:08:49.200 --> 00:08:52.310
Interstellar Studies, I4IS, have
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published a fascinating new paper
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proposing how we might actually catch up
00:08:56.560 --> 00:08:59.190
with this cosmic visitor. The comet is
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heading away from us now, approaching
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Jupiter for its closest pass on March
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the 16th before it leaves our solar
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system forever.
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>> The challenge is obvious. By the time
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3IIATLS was discovered in July 2025, it
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was already moving too fast for any
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direct intercept mission from Earth.
00:09:19.200 --> 00:09:21.269
Even the issa's planned comet
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interceptor sitting ready at the Sun
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Earth L2 point wouldn't have been able
00:09:26.399 --> 00:09:27.509
to reach it.
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>> So, Adam Hibbert and colleagues at I4IS
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took a different approach. They're
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proposing what's called a solar oath
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maneuver. The idea is to launch a
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spacecraft in 2035 that would first
00:09:39.680 --> 00:09:42.310
swing past Jupiter for a gravity assist,
00:09:42.320 --> 00:09:45.190
then plunge close to the sun, firing its
00:09:45.200 --> 00:09:47.430
engines at the closest approach to
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maximize the slingshot effect. This
00:09:49.920 --> 00:09:51.910
would hurl the probe out of the solar
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system fast enough to catch three ATLS.
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The downside, a 50-year flight time, but
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the researchers argue it's worth it.
00:10:01.760 --> 00:10:03.990
Every interstellar object that passes
00:10:04.000 --> 00:10:06.150
through is a message in a bottle from
00:10:06.160 --> 00:10:08.790
another star system. The science return
00:10:08.800 --> 00:10:10.710
from a close-up study would be
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extraordinary.
00:10:12.240 --> 00:10:14.150
>> And there have been earlier proposals,
00:10:14.160 --> 00:10:16.790
too, including one that suggested NASA's
00:10:16.800 --> 00:10:19.030
Juno probe could be redirected from
00:10:19.040 --> 00:10:22.949
Jupiter orbit to intercept 3IA ATLS. But
00:10:22.959 --> 00:10:25.430
with Juno low on fuel and having engine
00:10:25.440 --> 00:10:27.509
issues, that always seemed like a long
00:10:27.519 --> 00:10:31.190
shot. 3IIA ATLS remains one of the most
00:10:31.200 --> 00:10:33.350
fascinating objects to visit our solar
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system. Bigger and more active than
00:10:35.760 --> 00:10:38.870
either OmuA MUA or Borosov, it's given
00:10:38.880 --> 00:10:41.350
us an unprecedented look at material
00:10:41.360 --> 00:10:43.750
from beyond our stellar neighborhood.
00:10:43.760 --> 00:10:45.990
Even if we can't catch it this time,
00:10:46.000 --> 00:10:47.750
studies like this are laying the
00:10:47.760 --> 00:10:49.190
groundwork for when the next
00:10:49.200 --> 00:10:51.670
interstellar visitor comes calling.
00:10:51.680 --> 00:10:53.910
>> Now, let's turn our gaze back to our own
00:10:53.920 --> 00:10:56.389
star for story number five. If you're an
00:10:56.399 --> 00:10:58.630
aurora chaser, today might be worth
00:10:58.640 --> 00:11:00.069
keeping an eye on.
00:11:00.079 --> 00:11:02.630
>> That's right. There's currently a G1
00:11:02.640 --> 00:11:05.269
minor geomagnetic storm watch in effect
00:11:05.279 --> 00:11:08.310
for today, February 16th, and it's being
00:11:08.320 --> 00:11:11.110
driven by a combination of factors.
00:11:11.120 --> 00:11:13.750
>> First, there's a huge transquatorial
00:11:13.760 --> 00:11:16.230
corona hole directly facing Earth right
00:11:16.240 --> 00:11:18.630
now, and it looks like an old friend.
00:11:18.640 --> 00:11:20.949
Observers believe it's the same corona
00:11:20.959 --> 00:11:23.430
hole we saw back in mid January, having
00:11:23.440 --> 00:11:25.750
survived its transit across the far side
00:11:25.760 --> 00:11:27.990
of the sun and come back around for
00:11:28.000 --> 00:11:30.710
another pass. These corona holes act
00:11:30.720 --> 00:11:33.269
like solar wind lighouses, sweeping
00:11:33.279 --> 00:11:35.910
Earth with fast solar wind roughly every
00:11:35.920 --> 00:11:38.870
27 days as the sun rotates.
00:11:38.880 --> 00:11:42.389
>> On top of that, an M1.0 0 solar flare
00:11:42.399 --> 00:11:45.829
erupted from active region 4373 on
00:11:45.839 --> 00:11:48.949
February 13th, launching a coronal mass
00:11:48.959 --> 00:11:51.269
ejection that's expected to arrive at
00:11:51.279 --> 00:11:54.230
Earth right about now. If the CME
00:11:54.240 --> 00:11:56.230
interacts strongly with the coronal
00:11:56.240 --> 00:11:58.870
holes high-speed stream, we could see
00:11:58.880 --> 00:12:01.509
conditions bump up to G2 moderate
00:12:01.519 --> 00:12:03.750
levels. For our listeners at higher
00:12:03.760 --> 00:12:06.069
latitudes, thank northern Europe,
00:12:06.079 --> 00:12:08.710
Canada, and the northern tier US states,
00:12:08.720 --> 00:12:10.790
it's worth checking those Aurora apps
00:12:10.800 --> 00:12:13.750
tonight. Even at G1 levels, Aurora
00:12:13.760 --> 00:12:15.910
displays can be visible in Scotland,
00:12:15.920 --> 00:12:18.150
Scandinavia, and across the northern
00:12:18.160 --> 00:12:21.430
tier US states. And with the sun now in
00:12:21.440 --> 00:12:24.710
the declining phase of solar cycle 25,
00:12:24.720 --> 00:12:27.269
space weather experts say that while big
00:12:27.279 --> 00:12:29.430
explosive events may become less
00:12:29.440 --> 00:12:31.829
frequent, coronal holes can actually
00:12:31.839 --> 00:12:34.310
provide a steadier rhythm of minor to
00:12:34.320 --> 00:12:36.870
moderate storms, aurora chasers
00:12:36.880 --> 00:12:38.790
shouldn't pack away their cameras just
00:12:38.800 --> 00:12:39.670
yet.
00:12:39.680 --> 00:12:41.910
>> And finally, our sixth story is a quick
00:12:41.920 --> 00:12:43.910
one, but it shows just how relentless
00:12:43.920 --> 00:12:46.629
the pace of space flight has become.
00:12:46.639 --> 00:12:49.269
SpaceX launched yet another Starlink
00:12:49.279 --> 00:12:51.110
mission in the early hours of this
00:12:51.120 --> 00:12:54.629
morning. The Starlink 6-103 mission,
00:12:54.639 --> 00:12:56.870
lifting off from Cape Canaveral's Space
00:12:56.880 --> 00:12:59.910
Launch Complex 40. It carried 29
00:12:59.920 --> 00:13:02.870
Starlink V2 mini satellites to low Earth
00:13:02.880 --> 00:13:03.990
orbit.
00:13:04.000 --> 00:13:06.150
>> This was the 10th orbital flight from
00:13:06.160 --> 00:13:09.350
Cape Canaveral so far in 2026, and we're
00:13:09.360 --> 00:13:11.590
not even through February. The first
00:13:11.600 --> 00:13:14.310
stage booster flying for its 10th time
00:13:14.320 --> 00:13:16.389
successfully landed on the drone ship a
00:13:16.399 --> 00:13:19.110
shortfall of gravitas in the Atlantic.
00:13:19.120 --> 00:13:21.990
>> 10 flights for that booster. SpaceX
00:13:22.000 --> 00:13:24.230
continues to demonstrate the reliability
00:13:24.240 --> 00:13:26.949
and reusability of Falcon 9 at a pace
00:13:26.959 --> 00:13:28.790
that would have seemed extraordinary
00:13:28.800 --> 00:13:31.190
just a few years ago. Combined with the
00:13:31.200 --> 00:13:35.110
Crew 12 launch on Friday, SpaceX's 600th
00:13:35.120 --> 00:13:37.430
Falcon 9 flight. It's been quite the
00:13:37.440 --> 00:13:41.269
week for Hawthorne. the 600th Falcon 9.
00:13:41.279 --> 00:13:43.190
That's genuinely remarkable when you
00:13:43.200 --> 00:13:44.150
think about it.
00:13:44.160 --> 00:13:46.710
>> It really is. And that brings us to the
00:13:46.720 --> 00:13:49.030
end of today's episode of Astronomy
00:13:49.040 --> 00:13:51.829
Daily. Fix stories covering human space
00:13:51.839 --> 00:13:54.389
flight, lunar ambitions, Saturnian
00:13:54.399 --> 00:13:57.189
science, interstellar visitors, space
00:13:57.199 --> 00:13:59.430
weather, and the unstoppable launch
00:13:59.440 --> 00:14:01.269
cadence of SpaceX.
00:14:01.279 --> 00:14:03.030
>> If you've enjoyed today's show, please
00:14:03.040 --> 00:14:04.710
do leave us a review on your favorite
00:14:04.720 --> 00:14:06.949
podcast platform. It really helps new
00:14:06.959 --> 00:14:09.269
listeners find us. And follow us on
00:14:09.279 --> 00:14:11.829
social media at astrodaily pod for
00:14:11.839 --> 00:14:13.430
updates throughout the day.
00:14:13.440 --> 00:14:15.110
>> You can also check out our full show
00:14:15.120 --> 00:14:18.629
notes and blog post at astronomyaily.io
00:14:18.639 --> 00:14:20.470
where we've got links to all the sources
00:14:20.480 --> 00:14:22.629
and studies we've discussed today.
00:14:22.639 --> 00:14:24.949
>> Until tomorrow, keep looking up.
00:14:24.959 --> 00:14:31.030
>> Pierce everyone.
00:14:31.040 --> 00:14:37.509
Oh,
00:14:37.519 --> 00:14:41.320
stories told.




