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by The Astropotamus
The Star River: Astronomy, Culture, and the Cosmic Connection We are all travelers on a single current - a River of Space and Time flowing from ancient suns into the distant future. On The Star River, we don’t just watch the universe pass by; we wade into the stream. Hosted by Eric Loyd (the Astropotamus), this podcast bridges the gap between the technical and the transcendent. We explore our inextricable link to the Cosmos through the lenses of astrophotographers, the melodies of musicians, and the insights of world-class astrophysicists and celestial explorers. The Ritual of the Glass Every episode begins with a ritual: sharing a local drink to ground ourselves in the present before we navigate the infinite. From the physics of light to the silence of the high desert, we seek to understand the current that moves through us all. What to Expect: Deep Space Science: Exploring the VLA, the James Webb Space Telescope, and the cutting edge of Black Holes and Active Galactic Nuclei. Astro-Culture: Interviews with educators, artists, and authors inspired by the night sky. The Human Element: Stories of wonder, heritage, and the First Light moments that change us forever. You are already in the River. Join us as we navigate its bends, its shallows, and its sudden falls. Raise a glass, find your place in the flow, and let’s see where the current takes us. Keywords & Topics: Astronomy Interviews, Journey through Time, Space Exploration, Cosmic Connections, Radio Astronomy, Deep Space Imaging, Dark Sky Tourism, Astrophot游戏副本 Tips, Backyard Astronomy, Citizen Science, Space & Philosophy, Human Heritage, Science and Art
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- 2 weeks ago1h 24m
Seeing the Entire Sky at Once in Radio Waves with Dr Jayce Dowell
What does it mean to look at the the entire sky all at once in radio waves?Charting the Course This episode dives into the world of radio astronomy with Dr. Jayce Dowell, research Assistant Professor in the Department of Physics and Astronomy at the University of New Mexico (UNM) and a leading scientist for the Long Wavelength Array (LWA). Unlike the VLA the LWA explores the entire visible sky all at once, and electronics and software give it unique abilities and views of the universe. I met him at the LWA-2 facility at the Sevilleta National Wildlife Refuge."The LWA is all about looking at low frequencies. So light comes, light goes in, a variety of frequencies of wavelengths, depending on how you like to think about it." - Dr. Jayce DowellWaypoints00:02:34 - Touring the Long Wavelength Array at Sevilleta National Wildlife Refuge00:07:56 - Electronic Beamforming, All-Sky Imaging, and LWA Resolution00:15:03 - LWA Ground Planes, Lightning Protection, and Air Force Experiments00:24:12 - Inside the LWA Electronics Shelter: Fiber, Cable Delays, and Calibration00:30:55 - RF Shielding, Custom Boards, FPGA Digitizers, and GPU Processing00:43:45 - Formal Introduction to Dr. Jayce Dowell and the Long Wavelength Array00:50:24 - LWA TV: All-Sky Images and Watching the Radio Sky00:56:13 - Growing the LWA Network and Building a Backyard Station01:00:04 - Software-Defined Radio, Hydrogen Line Astronomy, and Amateur Radio01:07:25 - Seeing a Different Universe: Searching for Exoplanet Magnetospheres01:14:59 - A Lunar Far-Side Radio Array and the Cosmic Dawn01:18:18 - Dr. Jayce Dowell's Career Path and the Origins of His Work with LWACurrentsThe LWA captures low-frequency radio waves, providing a different perspective on celestial objects.Interference from Earth and the ionosphere pose significant challenges for radio astronomy.The LWA's ability to detect solar flares and Jupiter's radio emissions highlights its scientific value.The concept of the LWA Swarm aims to expand the array's capabilities by involving multiple institutions.Citizen science projects like e-Callisto allow individuals to contribute to solar monitoring.Where the River Took UsDaguerreotypesEpoch of reionizationCosmic dawnVLBA (Very Long Baseline Array)InterferenceIonosphereLinksSevilleta National Wildlife RefugeLWA TVe-CallistoNASA Sunrise missionJoin the CurrentSo explore the LWA's unique view of the cosmos, grab your drink for The Ritual, and join us as we take a trip down Dr. Dowell's tributary of the Star River!About Dr Jayce DowellDr. Dowell is a Research Assistant Professor in Physics and Astronomy at the University of New Mexico and a core scientist behind the Long Wavelength Array (LWA). Specialized in low-frequency radio astronomy, Jayce focuses on understanding cosmic phenomena ranging from solar radio bursts and planetary ionospheres to cosmic rays and transient radio sources.Beyond observational research, he plays a key role in the software development, data processing pipelines, and operations that keep the LWA stations (LWA1 at the VLA and LWA-SV in Sevilleta) capturing the long-wavelength universe.Watch LWA TV and see the sky like you've never seen it!Support this podcast at — https://redcircle.com/the-star-river-podcast/donations
- Aug 18, 20261h 42m
How to See the Surface of a Star: New Mexico’s Secret Super-Telescope with Professor Michelle Creech-Eakman
What does it take to see the surface features of distant stars or track satellites in deep space? In this episode we sit down with Professor Michelle Creech-Ekman, Professor of Physics and Project Scientist at New Mexico Tech. From her roots in North Dakota to her pivotal work at JPL on the Keck Interferometer, Dr. Creech-Ekman shares her journey and her current groundbreaking project: the Magdalena Ridge Observatory Interferometer (MROI).Perched 10,500 feet high in central New Mexico, the MROI is a engineering marvel. We dive deep into the tech behind this massive optical and infrared array, including:High-Precision Engineering: Custom Belgian-built altitude-altitude mounted telescopes and Italian "squashed" domes that can be relocated across 28 stations in just four hours.Extreme Resolution: How "optical trombones" in a light vacuum delay line allow the array to achieve spatial resolution down to half a milliarcsecond—roughly 90 times sharper than the angular size of Betelgeuse.Cutting-Edge Science: The observatory's historic milestone of reaching first fringes on July 12th, and its mission to image starspots, track expanding supernovas, and monitor objects in geosynchronous orbit.Plus, Dr. Creech-Ekman reflects on her passion for inspiring the next generation of scientists, the importance of human spaceflight, and why maintaining a sense of wonder is vital.Tune in for an inspiring conversation on human ingenuity, big tech, and reaching for the stars! BONUS - find out what the shape of a wire suspended between two poles is called!
- Aug 4, 20265 min
Transitioning from the VLA to the Rest of New Mexico
As we pull up stakes on the Plains of San Augustin and wrap up our time with the Karl G. Jansky Very Large Array, let's take a quick pit stop to reflect on our journey so far and set the stage for what's coming next on the Enchanted Frequencies Mission to New Mexico.In this interlude episode, I preview the next leg of the expedition:🏔️ Magdalena Ridge Observatory Interferometer (MROI): Bleeding-edge optical and infrared astronomy at 10,600 feet.📡 The Long Wavelength Array (LWA): Listening to the universe at the lowest radio frequencies from vast fields of dipole antennas.🎓 University of New Mexico Observatory: Bridging academic science, student training, and community stargazing.🔭 The Grand Finale with John Briggs: A marathon sit-down with the astronomical historian and founder of the Magdalena Astronomical Lyceum.Take a breath, catch up on any VLA episodes you've missed, refresh your glass, and get ready for the next bend in the river!Join the Community & Support Outreach:🌌 Explore More: Visit thestarriver.com for episodes, reviews, and to join our Discord community!🍸 The Deep Sky Hotline: Have a cocktail/mocktail recipe for my space-themed fundraiser booklet or a question for a future guest? Call 855-DEEP-SKY (855-333-7759) and leave me a message!Clear skies, and we'll see you in the dark!
- Jul 28, 20261h 12m
Can a Star Make a Cookie? (And How We Search for Alien Tech) with Dr. Chenoa Tremblay
Can a star make a cookie and searching for techno- and bio-signatures to find signs of extraterrestrial life.What do cosmic cookies, giant space spectrometers, and artificial intelligence in deep space have in common? They're all part of the daily work of Dr. Chenoa Tremblay, project scientist with the SETI Institute, Breakthrough Listen, and the National Radio Astronomy Observatory (NRAO).In this episode of The Star River Podcast, host Eric Loyd sits down with Dr. Tremblay to explore the cutting edge of astrochemistry and the modern search for extraterrestrial intelligence (SETI). From her unconventional journey starting out in laboratory chemistry testing dirt samples to hunting for complex molecules and technosignatures with world-class radio telescopes, Chenoa shares a mind-bending look at how we listen to the universe.In this episode, we explore:Cosmic Chemistry: How stars bake the ingredients for life - and cookies!Physics in the Vacuum: Why atoms actually grow bigger in the near-vacuum of interstellar space.Technosignatures vs. Biosignatures: Why SETI is looking for cosmic "Wall-E" robots and technological waste rather than little green men.The Power of Radio Astronomy: How arrays like the VLA, MeerKAT, and more process massive streams of data to hunt for artificial signals.The Human Side of Science: Transitioning from lab tech to lead scientist, and making space science accessible to everyone.With a quick detour to the Wow! signal, and a fast jaunt to Asteroid (514107) 2015 BZ509, grab your favorite drink, join us for the Ritual, and take a trip down Dr. Tremblay's tributary of the Star River!
- Jul 21, 202641 min
Flecks of Matter on a Spinning Rock: Finding Joy in Smallness with Corrina Jaramillo-Feldman
What happens when you leave the high-stakes, "level-10 emergencies" of political campaign management to find your center among the stars? In this episode, I sit down with Corrina Jaramillo-Feldman, Senior Public Information Officer for the National Radio Astronomy Observatory (NRAO) VLA, VLBA, and ngVLA. Together, we navigate her fascinating, meandering journey from running statewide campaigns to translating the invisible, silent data sets of radio astronomy for the global public.As I continue my Enchanted Frequencies series of episodes from New Mexico, I saved the best for last. Corrina opens up about occupying the liminal spaces of identity, the liberating power of "cheerful nihilism" under a pitch-black Santa Fe sky, and the exciting future of the Next Generation Learning Center at the VLA. It's a deep, soulful conversation about public policy, workforce development, and remembering the sacred magic of being small."I love being reminded that we are just like flecks of matter on a spinning rock in an infinite universe, because it makes bad things feel less huge, and I think it makes good, special moments feel really sacred."The "Cheerful Nihilist" Perspective: Discover how a childhood solar system book and a spooky, dark house on a Santa Fe mountain shaped Corrina's unique, joyful framework for handling life's heaviest moments.Sneak Peek at the Future of Space Education: Learn how the upcoming Next Generation Learning Center at the VLA is going K-12, expanding into adult trades, and transforming New Mexico into a premier global hub for workforce development.A Call to Action for Citizen Science: Hear Corrina's passionate defense of the permanence of science funding, why your phone calls to representatives matter, and how everyday people can protect the future of space exploration.Whether you are looking to reconnect with your own sense of wonder or want a fascinating peek behind the curtain of the world's most advanced radio telescopes, this conversation is the perfect antidote to the noise of everyday life. From political campaigns to the hum of the cosmos, Corrina's journey reminds us just how beautiful and liberating it is to be small. So grab a glass of your favorite drink, settle in for our Ritual, and join us on the banks of the river for an unforgettable journey into the deep cosmic stream. You won't want to miss this splash!Remember that the Deep-Sky Hotline is always open at 855-DEEP-SKY (855-333-7759) if you want to leave a question or share your own stargazing rituals. If you want to join the crew, unlock our private Discord channels, and claim one of the few remaining limited-edition Enchanted Frequencies mission stickers, head over to astropotamus.com/support.Until the next bend in the River, clear skies, and I'll see you in the dark!
- Jul 14, 202652 min
What's Dance Go to Do With It? Signe Mason, Part 2
Gather around the campfire, fellow Star River navigators! In this episode, we sit down with Signe Mason, an Operations Specialist at the world-renowned Very Large Array (VLA) in New Mexico and an astrophysics researcher simulating black holes at Northwestern University for part 2 of her journey down the River.I continue my conversation with Signe, from the outdoor patio at the Capital Bar and Grill in Socorro, complete with interruptions, sirens, and train horns. Now with more people! The editing on this one got a little wonky because I actually ended part 1 prior to our break, but it was a better place to split the conversatios. So in this "end of part 1 plus part 2,", we look at what made young Signe tick, why astrophysics was the farthest thing from her mind, and how she thinks that overcoming adversiy is what makes us thrive.Don't forget to listen to part 1 of my conversation with Signe, where the River starts its journey, and the bar was quieter!Grab a drink, join the current, and see where the river continues takes us.Episode Highlights:Dance: What does ballet have to do with running the receivers at the VLA?Perserverance: Did you know that overcoming crushing, emotional and physical defeat can make you a better person? Signe does.The Future: It won't be long after this episode airs that Signe starts the next chapter of her life. Find out what it will be.Remember that the Deep-Sky Hotline is always open at 855-DEEP-SKY (855-333-7759) if you want to leave a question or share your own stargazing rituals. If you want to join the crew, unlock our private Discord channels, and claim one of the few remaining limited-edition Enchanted Frequencies mission stickers, head over to astropotamus.com/support.Until the next bend in the River, clear skies, and I will see you in the dark!
- Jul 7, 202654 min
Not Today, Satan: Managing the VLA Telescope with Signe Mason, Part 1
Gather around the campfire, fellow Star River navigators! In this episode, we sit down with Signe Mason, an Operations Specialist at the world-renowned Very Large Array (VLA) in New Mexico and an astrophysics researcher simulating black holes at Northwestern University.Recording live from the outdoor patio at the Capital Bar and Grill in Socorro, complete with interruptions, sirens, and train horns, we dive deep into the fascinating, behind-the-scenes reality of what it actually takes to manage 27 massive radio telescope dishes operating 24/7. From the daily gamble of scheduling multi-million dollar observations to navigating late-night "bumps in the night" in the control room, Signe pulls back the curtain on a life lived at the edge of human knowledge. Grab a drink, join the current, and see where the river takes us.Episode Highlights:Babysitting the VLA: What it’s like to sit in the operator's chair balancing weather algorithms, 10 computer screens, and millions of dollars of scientific equipment."Not Today, Satan": The ultimate power of hitting the manual override button when human intuition beats the automated telescope software.The Spooky Side of Science: Braving the eerie quiet of a midnight shift in the middle of nowhere, complete with an unexpected control room "horror movie" jump-scare.The Sound of the Sky: Stick around until the very end of the episode to hear a raw field recording of the massive telescope dishes mechanically slewing against the howling New Mexico wind.Remember that the Deep-Sky Hotline is always open at 855-DEEP-SKY (855-333-7759) if you want to leave a question or share your own stargazing rituals. If you want to join the crew, unlock our private Discord channels, and claim one of the few remaining limited-edition Enchanted Frequencies mission stickers, head over to astropotamus.com/support.Until the next bend in the River, clear skies, and I will see you in the dark!
- Jun 23, 202630 min
The Parking Lot Conversation with Lorenzo and Richard
What happens when two VLA workers get interviewed without warning in the parking lot of the VLA? Let's find out.This was in the parking lot of the U.S. National Science Foundation Very Large Array without notice. After the hubbub of the open house had faded for the day, but right as people were starting to arrive for the Star Party and set up their telescopes, one of the workers telling people where to park yelled out, "hey, podcast guy! Can I be on your podcast?" After figuring out that he was only half joking, I surprised him by saying "yes."It was recorded on my mobile phone. There was a lot of wind. It messed with the microphones on my phone and there are times when the conversation is hard to hear. I suggest headphones.Warning, this was a pretty raw conversation. I debated editing out some of the edgier parts, but decided that not to. The conversation we had was the one you'll hear, including the swearing.This is 27 minutes of real, raw conversation recorded in the parking lot of the VLA with Lorenzo Pina and Richard Harding. Two of the blue-collar workers who make it all happen.
About The Star River Podcast
The Star River: Astronomy, Culture, and the Cosmic Connection We are all travelers on a single current - a River of Space and Time flowing from ancient suns into the distant future. On The Star River, we don’t just watch the universe pass by; we wade into the stream. Hosted by Eric Loyd (the Astropotamus), this podcast bridges the gap between the technical and the transcendent. We explore our inextricable link to the Cosmos through the lenses of astrophotographers, the melodies of musicians, and the insights of world-class astrophysicists and celestial explorers. The Ritual of the Glass Every episode begins with a ritual: sharing a local drink to ground ourselves in the present before we navigate the infinite. From the physics of light to the silence of the high desert, we seek to understand the current that moves through us all. What to Expect: Deep Space Science: Exploring the VLA, the James Webb Space Telescope, and the cutting edge of Black Holes and Active Galactic Nuclei. Astro-Culture: Interviews with educators, artists, and authors inspired by the night sky. The Human Element: Stories of wonder, heritage, and the First Light moments that change us forever. You are already in the River. Join us as we navigate its bends, its shallows, and its sudden falls. Raise a glass, find your place in the flow, and let’s see where the current takes us. Keywords & Topics: Astronomy Interviews, Journey through Time, Space Exploration, Cosmic Connections, Radio Astronomy, Deep Space Imaging, Dark Sky Tourism, Astrophot游戏副本 Tips, Backyard Astronomy, Citizen Science, Space & Philosophy, Human Heritage, Science and Art
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