The 365 Days of Astronomy

Neutron stars, the compact remains of a massive star following a supernova explosion, are the densest matter in the Universe. Some neutron stars, known as magnetars, also claim the record for the strongest magnetic fields of any object. How magnetars, which are a mere 15 kilometers across, form and produce such colossal magnetic fields remains a mystery. 
 
New observations by a team of astronomers, including NSF's NOIRLab's Dr. André-Nicolas Chené, may shed important light on the origin of these magnetic powerhouses. Using various telescopes around the globe, including the Canada-France-Hawai'i Telescope (CFHT) on Maunakea, the researchers have identified a new type of astronomical object — a massive magnetic helium star (an unusual variant of a Wolf-Rayet star), which may be the precursor of a magnetar. 
In this podcast, André-Nicolas Chené describes the process of finding the first known potential magnetar progenitor.
 
Bios: 
Rob Sparks is in the Communications, Education and Engagement group at NSF's NOIRLab in Tucson, Arizona.
Dr. André-Nicolas Chené is an associate astronomer at NOIRLab. He completed his PhD at the Université de Montréal in 2007 and learned everything about the fundamentals of astronomical observations at the Observatoire du Mont Mégantic. He was research fellow at the NRC Herzberg Astronomy and Astrophysics Research Centre and postdoc jointly at the Universidad de Concepción and the Universidad de Valparaíso before joining the Gemini Observatory (now a program of NOIRLab) in 2013. For almost 10 years, André-Nicolas took part in every phase of a Gemini observing program life cycle and has played a central role in Gemini's user support effort. André-Nicolas's research interests are massive stars, hot winds, star clusters, and stellar evolution.
Links: 
NOIRLab Press Release: https://noirlab.edu/public/news/noirlab2323/
 
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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu
Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

From September 23, 2026.
This week we're doing a weather check.
No, really. Let's talk about the weather! All of them!
 
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Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!
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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu
Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Hosted by our Director, Avivah Yamani.
Explore October 2026's equatorial skies as we have Saturn at opposition, Mercury at dusk, Orionid meteors, and the Moon's celestial encounters.
 
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Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!
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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu
Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

October Part 1.
Paul Hill and Dr. Jenifer "Dr. Dust" Millard host. 
Damien Phillips, John Wildridge and Dustin Ruoff produce.
We dive into autumn with a baby Planet, the SMILE mission, New weather on Saturn, a new crater on the moon, an update on Nancy Roman and a mission to Phobos. As well as our monthly sky and moon guide.
SMILE Mission Gif:
https://www.esa.int/Science_Exploration/Space_Science/Smile/Science_begins_for_Smile
 
We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. 
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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu
Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.

Solar System Badlands!
Hosted by Dr. Paul M. Sutter.
How did the scattered disk of the solar system form? What kins of strange objects roam those badlands? And what does it do to the rest of the solar system? I discuss these questions and more in today's Ask a Spaceman!
 
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We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. 
Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can!
Share the podcast with your friends and send the Patreon link to them too! 
Every bit helps! Thank you!
------------------------------------
Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness!
http://cosmoquest.org/Donate This show is made possible through your donations. 
Thank you! (Haven't donated? It's not too late! Just click!)
------------------------------------
The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu
Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.