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Listen "Stellar Explosions, Galactic Surprises, and the Controversial Light Beaming Plan"
Episode Synopsis
### Episode Summary
Real-time images of exploding stars, a surprisingly “gentle” supermassive black hole, the return of a long-duration Soyuz crew, a packed week of launches, Subaru’s first new exoplanet and brown-dwarf finds, and a controversial plan to light up the night sky with orbital mirrors.
### Timestamps & Stories
00:00 – Cold Open
00:35 – Intro
01:05 – **Story 1: Astronomers watch novae explode in real time**
**Key Facts**
- First-ever direct imaging of two novae as they erupted using the CHARA optical interferometer
- V1674 Herculis: fastest nova on record; brightened & faded in days; showed two perpendicular gas jets
- V1405 Cassiopeiae: visible to naked eye for months; delayed ejection after 50+ days
- Gamma-ray bursts from Fermi telescope timed perfectly with visible jets
03:35 – **Story 2: Soyuz MS-27 crew lands after 8-month ISS mission**
**Key Facts**
- Crew of three returned safely to Kazakhstan on 8 Dec 2025
- 260+ days in orbit (launched April 2025)
- Handover completed; ISS now at full Expedition strength for next rotation
05:05 – ** Story 3: Launch Roundup (8–15 Dec 2025) **
**Key Facts**
- SpaceX Starship Flight 6 (Texas) – major reusability test
- China Long March 7A – new Tiangong station module
- ULA Vulcan Centaur Cert-2 (Cape Canaveral) – second certification flight
- Rocket Lab Electron (New Zealand) – successful dawn launch
- Russia Soyuz-2.1b (Vostochny) – classified payload
06:35 – ** Story 4: Subaru Telescope’s first discoveries* *
**Key Facts**
- First science results from upgraded high-contrast infrared instruments
- New brown dwarf (13–80 Jupiter masses) with dusty disk
- New wide-orbit gas-giant exoplanet ~300 light-years away showing methane & water signatures
08:05 – ** Story 5: Sagittarius A* is less destructive than thought **
**Key Facts**
- Objects like G2/DSO, D9, X3, X7 all survive stable orbits within 0.8 parsecs of the 4-million-solar-mass black hole
- 20+ years of VLT data (SINFONI, NACO, ERIS) show no tidal disruption
- Galactic Center may be a star-formation zone rather than a shredder
09:55 – ** Story 6: Giant space mirrors to light up the night **
**Key Facts**
- Reflect Orbital plans thousands of mirror satellites by 2030
- Each beam ~5 km wide, 4× brighter than full moon
- Goal: extend solar-farm output after sunset & aid night rescues
- Astronomers warn of catastrophic light-pollution increase and wildlife disruption
11:20 – Outro
### Sources & Further Reading
1. https://connectsci.au/news/news-parent/7462/Astronomers-watch-stars-explode-in-real-time-and
2. https://www.nasa.gov/blogs/spacestation/2025/12/09/soyuz-crew-lands-ending-eight-month-space-research-journey/ (https://www.nasa.gov/blogs/spacestation/2025/12/09/soyuz-crew-lands-ending-eight-month-space-research-journey/)
3. https://www.nasaspaceflight.com/2025/12/launch-roundup-120825/ (https://www.nasaspaceflight.com/2025/12/launch-roundup-120825/)
4. https://www.space.com/astronomy/exoplanets/the-subaru-telescope-just-made-its-1st-discoveries-a-failed-star-and-an-exoplanet (https://www.space.com/astronomy/exoplanets/the-subaru-telescope-just-made-its-1st-discoveries-a-failed-star-and-an-exoplanet)
5. https://www.universetoday.com/articles/the-milky-ways-supermassive-black-hole-isnt-as-destructive-as-thought (https://www.universetoday.com/articles/the-milky-ways-supermassive-black-hole-isnt-as-destructive-as-thought)
6. https://dailygalaxy.com/2025/12/giant-space-mirrors-to-light-up-the-night/ (https://dailygalaxy.com/2025/12/giant-space-mirrors-to-light-up-the-night/)
# ## Quick Quotes
- “High-definition video of stellar explosions.” – Elias Aydi
- “Sagittarius A* is less destructive than was previously thought.” – Florian Peißker
- “Catastrophic for astronomy.” – Robert Massey (on orbital mirrors)
### Follow & Contact
X/Twitter: @AstroDailyPod
Instagram: @astrodailypod
Email: [email protected]
Website: astronomydaily.io
Clear skies and see you tomorrow! 🌟
Become a supporter of this podcast: https://www.spreaker.com/podcast/astronomy-daily-space-news-updates--5648921/support (https://www.spreaker.com/podcast/astronomy-daily-space-news-updates--5648921/support?utm_source=rss&utm_medium=rss&utm_campaign=rss) .
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This episode includes AI-generated content.
Episode link: https://play.headliner.app/episode/30542331?utm_source=youtube
Real-time images of exploding stars, a surprisingly “gentle” supermassive black hole, the return of a long-duration Soyuz crew, a packed week of launches, Subaru’s first new exoplanet and brown-dwarf finds, and a controversial plan to light up the night sky with orbital mirrors.
### Timestamps & Stories
00:00 – Cold Open
00:35 – Intro
01:05 – **Story 1: Astronomers watch novae explode in real time**
**Key Facts**
- First-ever direct imaging of two novae as they erupted using the CHARA optical interferometer
- V1674 Herculis: fastest nova on record; brightened & faded in days; showed two perpendicular gas jets
- V1405 Cassiopeiae: visible to naked eye for months; delayed ejection after 50+ days
- Gamma-ray bursts from Fermi telescope timed perfectly with visible jets
03:35 – **Story 2: Soyuz MS-27 crew lands after 8-month ISS mission**
**Key Facts**
- Crew of three returned safely to Kazakhstan on 8 Dec 2025
- 260+ days in orbit (launched April 2025)
- Handover completed; ISS now at full Expedition strength for next rotation
05:05 – ** Story 3: Launch Roundup (8–15 Dec 2025) **
**Key Facts**
- SpaceX Starship Flight 6 (Texas) – major reusability test
- China Long March 7A – new Tiangong station module
- ULA Vulcan Centaur Cert-2 (Cape Canaveral) – second certification flight
- Rocket Lab Electron (New Zealand) – successful dawn launch
- Russia Soyuz-2.1b (Vostochny) – classified payload
06:35 – ** Story 4: Subaru Telescope’s first discoveries* *
**Key Facts**
- First science results from upgraded high-contrast infrared instruments
- New brown dwarf (13–80 Jupiter masses) with dusty disk
- New wide-orbit gas-giant exoplanet ~300 light-years away showing methane & water signatures
08:05 – ** Story 5: Sagittarius A* is less destructive than thought **
**Key Facts**
- Objects like G2/DSO, D9, X3, X7 all survive stable orbits within 0.8 parsecs of the 4-million-solar-mass black hole
- 20+ years of VLT data (SINFONI, NACO, ERIS) show no tidal disruption
- Galactic Center may be a star-formation zone rather than a shredder
09:55 – ** Story 6: Giant space mirrors to light up the night **
**Key Facts**
- Reflect Orbital plans thousands of mirror satellites by 2030
- Each beam ~5 km wide, 4× brighter than full moon
- Goal: extend solar-farm output after sunset & aid night rescues
- Astronomers warn of catastrophic light-pollution increase and wildlife disruption
11:20 – Outro
### Sources & Further Reading
1. https://connectsci.au/news/news-parent/7462/Astronomers-watch-stars-explode-in-real-time-and
2. https://www.nasa.gov/blogs/spacestation/2025/12/09/soyuz-crew-lands-ending-eight-month-space-research-journey/ (https://www.nasa.gov/blogs/spacestation/2025/12/09/soyuz-crew-lands-ending-eight-month-space-research-journey/)
3. https://www.nasaspaceflight.com/2025/12/launch-roundup-120825/ (https://www.nasaspaceflight.com/2025/12/launch-roundup-120825/)
4. https://www.space.com/astronomy/exoplanets/the-subaru-telescope-just-made-its-1st-discoveries-a-failed-star-and-an-exoplanet (https://www.space.com/astronomy/exoplanets/the-subaru-telescope-just-made-its-1st-discoveries-a-failed-star-and-an-exoplanet)
5. https://www.universetoday.com/articles/the-milky-ways-supermassive-black-hole-isnt-as-destructive-as-thought (https://www.universetoday.com/articles/the-milky-ways-supermassive-black-hole-isnt-as-destructive-as-thought)
6. https://dailygalaxy.com/2025/12/giant-space-mirrors-to-light-up-the-night/ (https://dailygalaxy.com/2025/12/giant-space-mirrors-to-light-up-the-night/)
# ## Quick Quotes
- “High-definition video of stellar explosions.” – Elias Aydi
- “Sagittarius A* is less destructive than was previously thought.” – Florian Peißker
- “Catastrophic for astronomy.” – Robert Massey (on orbital mirrors)
### Follow & Contact
X/Twitter: @AstroDailyPod
Instagram: @astrodailypod
Email: [email protected]
Website: astronomydaily.io
Clear skies and see you tomorrow! 🌟
Become a supporter of this podcast: https://www.spreaker.com/podcast/astronomy-daily-space-news-updates--5648921/support (https://www.spreaker.com/podcast/astronomy-daily-space-news-updates--5648921/support?utm_source=rss&utm_medium=rss&utm_campaign=rss) .
Sponsor Details:
Ensure your online privacy by using NordVPN . To get our special listener deal and save a lot of money, visit You'll be glad you did!
Become a supporter of Astronomy Daily by joining our Supporters Club. Commercial free episodes daily are only a click way... Click Here (https://www.spreaker.com/podcast/astronomy-daily-space-news-updates--5648921/support)
This episode includes AI-generated content.
Episode link: https://play.headliner.app/episode/30542331?utm_source=youtube
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