In this episode, we dive into some thought-provoking topics that could reshape our understanding of the universe. A groundbreaking study introduces the immersion theory, suggesting that Earth-like planets may be far more common than previously believed, thanks to the explosive influence of nearby supernovae. We also explore the Eschtachian hypothesis, which proposes that our first contact with extraterrestrial life might come in the form of a powerful signal from a civilization in distress. Additionally, we highlight an exciting week of record space launches, including China's Long March 12A rocket and South Korea's Hanbit Nano. We celebrate a significant milestone for NASA's Mars Reconnaissance Orbiter, which has captured its 100,000th image, and we wrap up with the announcement of NASA's Orbit Challenge, inviting college students to innovate for future space exploration.

### Timestamps & Stories

01:05 – **Story 1: Immersion Theory and Earth-like Planets**

**Key Facts**

- A new study suggests rocky planets may be more common due to supernova explosions.

- Estimates indicate that 10-50% of sun-like stars could host planetary systems formed under these conditions.

03:20 – **Story 2: The Eschtachian Hypothesis**

**Key Facts**

- Proposed by David Kipping, this theory posits that first contact with aliens may come from a civilization in its final phase.

- The idea suggests we may receive a powerful signal as a last testament rather than a friendly communication.

05:45 – **Story 3: Record-Breaking Week for Space Launches**

**Key Facts**

- Multiple agencies, including SpaceX and China's space program, are set to launch various missions.

- Notable launches include the Ariane 6 for Galileo satellites and Blue Origin's crewed flight.

08:00 – **Story 4: Mars Reconnaissance Orbiter Milestone**

**Key Facts**

- NASA's MRO has captured its 100,000th image, chosen by a high school student through the HiWish program.

- The landmark photo features stunning mesas and dunes in Syrtis Major.

10:15 – **Story 5: NASA's Orbit Challenge for Students**

**Key Facts**

- This new competition invites college students to develop solutions for Earth and deep space exploration.

- With a prize pool of up to $380,000, registration is open until February 9, 2026.

### Sources & Further Reading

1. Science Advances (https://www.science.org/)

2. NASA (https://www.nasa.gov/)

3. SpaceX (https://www.spacex.com/)

4. European Space Agency (https://www.esa.int/)

5. JAXA (https://www.jaxa.jp/)

### Follow & Contact

X/Twitter: @AstroDailyPod

Instagram: @astrodailypod

Email: hello@astronomydaily.io

Website: astronomydaily.io

Clear skies and see you tomorrow! 🌟

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SpaceTime with Stuart Gary Gary - Series 28 Episode 147

In this episode of SpaceTime , we delve into remarkable discoveries that significantly enhance our understanding of the cosmos.

Longest Gamma Ray Burst Ever Detected

Astronomers have made headlines with the discovery of the longest gamma ray burst ever recorded, GRB 250702B, which lasted over seven hours. This unprecedented event is reshaping our understanding of stellar explosions and their aftermath. Initial observations indicate that this extraordinary burst may have originated from a black hole consuming a star, prompting new theories about the mechanisms behind these powerful cosmic phenomena. We explore the implications of this finding and how it challenges existing models of gamma ray bursts.

Elemental Bounty in Supernova Remnant

For the first time, scientists have detected chlorine and potassium in the remnants of the supernova Cassiopeia A, utilizing the advanced capabilities of the CRISM spacecraft. This discovery sheds light on the elemental processes that occur during stellar explosions and their connection to the formation of elements crucial for life on Earth. We discuss the significance of these findings and their impact on our understanding of stellar nucleosynthesis.

International Space Station Fully Occupied

In a historic first, the International Space Station has reached full capacity, with all eight of its docking ports in use. We discuss the implications of this milestone, including the logistics of managing multiple spacecraft and the ongoing missions currently underway aboard the ISS.

www.spacetimewithstuartgary.com (https://www.spacetimewithstuartgary.com/)

✍️ Episode References

Monthly Notices of the Royal Astronomical Society

Astrophysical Journal Letters

Nature Astronomy

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(00:00:00) This is space Time Series 28, Episode 147 full broadcast on 17 December 2025

(00:00:47) Astronomers have detected the longest gamma ray burst ever detected

(00:11:11) Astronomers have detected chlorine and potassium in a supernova remnant

(00:18:27) International Space Station is fully occupied with all eight docking ports now in use

(00:20:05) New study claims flavonoids may help improve insulin resistance

(00:24:58) You're a multiple award winner. You've won in creative writing and controversy

(00:26:05) Space Time is available every Monday, Wednesday and Friday through bitesz. com (https://play.headliner.app/episode/30691704?utm_source=youtube

In today's episode, we cover a wide array of intriguing updates from the cosmos, including a concerning communication loss with NASA's MAVEN spacecraft at Mars and the implications of its potential silence for ongoing research. We also highlight a successful rendezvous between two private spacecraft, showcasing advancements in autonomous orbital technologies. Additionally, we discuss the upcoming close approach of interstellar comet 3I Atlas, the fascinating discovery of primordial "dinosaur stars" by the James Webb Space Telescope, and the stunning visuals from the recent Gemin meteor shower. Finally, we explore the future of asteroid mining and its potential to revolutionize space exploration and resource sustainability.

### Timestamps & Stories

01:05 – **Story 1: MAVEN Spacecraft Communication Loss**

**Key Facts**

- NASA's MAVEN spacecraft has lost communication, with a brief signal indicating unexpected rotation.

- MAVEN plays a critical role in studying Mars' atmosphere and relaying communications for surface rovers.

03:20 – **Story 2: Successful Private Spacecraft Rendezvous**

**Key Facts**

- Starfish Space and Impulse Space executed an autonomous rendezvous in Earth orbit, a significant step for satellite servicing.

- The project, named Remora, showcases rapid development from concept to execution.

05:45 – **Story 3: Interstellar Comet 3I Atlas Approaches Earth**

**Key Facts**

- The comet is set to make its closest approach on December 19th, providing a rare observational opportunity.

- Telescopes like Hubble and ESA's JUICE will be studying its composition.

08:00 – **Story 4: Discovery of Dinosaur Stars**

**Key Facts**

- JWST may have found evidence of massive primordial stars, potentially up to 10,000 times the mass of our Sun.

- These stars could explain the rapid formation of supermassive black holes in the early universe.

10:15 – **Story 5: Gemin Meteor Shower Highlights**

**Key Facts**

- The Gemin meteor shower peaked on December 13, showcasing bright meteors from asteroid 3200 Phaethon.

- Astrophotographers captured stunning images from around the world.

12:00 – **Story 6: Future of Asteroid Mining**

**Key Facts**

- Research suggests small asteroids could provide essential resources for Moon and Mars missions.

- The potential for water extraction and the economic implications of space resource ownership are discussed.

### Sources & Further Reading

1. NASA (https://www.nasa.gov/)

2. James Webb Space Telescope (https://www.jwst.nasa.gov/)

3. European Space Agency (https://www.esa.int/)

4. Space.com (https://www.space.com/)

5. Science Daily (https://www.sciencedaily.com/)

### Follow & Contact

X/Twitter: @AstroDailyPod

Instagram: @astrodailypod

Email: hello@astronomydaily.io

Website: astronomydaily.io

Clear skies and see you tomorrow! 🌟

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