Episodes

  • From Sand to Stars: How Giant Telescope Mirrors Are Made
    Apr 29 2025
    What does it take to build the massive, ultra-precise mirrors that power today’s most powerful telescopes? 🛠️🪞 In this episode of AI: Astronomical Insight, we explore the fascinating journey of telescope mirrors—from raw silica to nanometer-accurate optical giants 🌌🔬.You’ll learn about:🧪 The evolution of glass as a material for astronomical optics🧊 Key properties of materials like Zerodur, ULE, and borosilicate glass⚙️ Traditional and modern fabrication techniques: spin casting, ion beam figuring, deflectometry🏗️ The engineering challenges behind large monolithic mirrors🌍 Case studies from the GMT and ELT projects🏭 The role of major players like the University of Arizona Mirror Lab, Schott, Corning, and Safran ReoscIf you're passionate about astronomical engineering, cutting-edge optics, or the future of space telescopes, this episode is for you! 🚀💡💬 Got questions or curious about something specific? Let us know in the comments!👇 Want a deep dive into optical testing methods or mirror segmentation? Say the word—we’re listening! 👂🎧 Listen now on Spotify, Apple Podcasts, Amazon Music & more!#Astronomy #Astrophysics #SciencePodcast #Telescopes #Optics #ReflectingTelescopes #MirrorFabrication #Zerodur #ULEglass #GMT #ELT #OpticalEngineering #SpinCasting #IonBeamFiguring #AI #mubert📖 References & Further Reading:H. M. Martin - Making mirrors for giant telescopes (2019)P. Dierickx - Optical Fabrication In The Large (1999)Raymond N. Wilson - Reflecting telescope optics II (2001)R. Müller et al. - Manufacture of the first primary mirror blank for the Very Large Telescope (VLT) (1994)Roland Geyl - From VLT to GTC and the ELTs (2005)Camille Frapolli at al. - Key challenges for the production of ELT M1 segments at Safran Reosc (2022)H. M. Martin et al. - Manufacture of 8.4 m segments for the GMT primary mirror (2020)Peter Hartmann et al. - Optical glass and glass ceramic historical aspects and recent developments: a Schott view (2010)🎶 Jingle from: ⁠Mubert Render⁠💰Support me here: ⁠PayPal⁠ ⁠Revolut
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    32 mins
  • Reflecting Telescopes: The Evolution of Optical Designs from Newton to Modern Astronomy
    Apr 15 2025

    How have optical designs evolved from Newton’s early mirrors to today’s cutting-edge observatories? In this episode of AI: Astronomical Insight, we explore the history, optical innovations, and engineering breakthroughs that have shaped modern astronomy.

    From the first practical reflecting telescope to the largest observatories ever built, we analyze how advancements in focal configurations have transformed our ability to observe the cosmos.


    🌌 Key Topics in This Episode:

    The Origins of Reflecting Telescopes – How a simple mirror revolutionized telescope design.

    Evolution of Optical Configurations – From classical Cassegrain to Ritchey-Chrétien, Nasmyth, Schwarzschild, and Couder systems.

    Technical and Mathematical Comparisons – Field of view, focal ratios, and aberration correction in different telescope designs.

    Iconic Reflecting Telescopes – Historic, present days and future instruments.


    🔹 Featured Telescopes:

    • Historic Observatories: Herschel’s 40-Foot, Mount Wilson, Palomar

    • Modern Giants: Keck, Very Large Telescope (VLT), Large Binocular Telescope (LBT)

    • Next-Generation Instruments: Extremely Large Telescope (ELT), Giant Magellan Telescope (GMT), Vera C. Rubin Observatory


    What makes a telescope truly powerful? Discover how optical configurations, focal ratios, and field correction techniques define astronomical imaging and shape the future of space exploration.


    🎧 Listen now on Spotify, Apple Podcasts, Amazon Music & more!


    #Astronomy #SciencePodcast #Telescopes #Optics #ReflectingTelescopes #NewtonianTelescope #RitcheyChrétien #Schwarzschild #Observatories #OpticalDesign #MountWilson #PalomarObservatory #VLT #LBT #ELT #RubinObservatory #GMT #AI #mubert


    📖 References & Further Reading:

    Raymond N. Wilson - Reflecting telescope optics 1 (2004)

    M. W. Keck Observatory

    Very Large Telescope

    Large Binocular Telescope

    Vera C. Rubin Observatory

    Extremely Large Telescope

    Giant Magellan Telescope


    🎶 Jingle from: ⁠Mubert Render⁠


    💰Support me here: ⁠PayPal⁠ ⁠Revolut

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    32 mins
  • The History of the Telescope: from Galileo's lens to modern astronomical optics
    Apr 1 2025

    🔭 How did the invention of the telescope change our understanding of the universe? In this episode, we take a journey through the evolution of optical astronomy, from Galileo’s pioneering lenses to Edwin Hubble’s revolutionary discoveries.


    📡 Discover how Hubble’s Law confirmed that the universe is expanding, and how the Hubble Space Telescope transformed cosmic observation, capturing breathtaking Deep Field images that revealed thousands of distant galaxies.


    🚀 Key topics in this episode:

    Galileo’s first telescopes and their impact on astronomy

    Newton’s reflector telescope – an innovation in optical design

    Edwin Hubble’s groundbreaking research on galaxies and the expanding universe

    ✅ How the Hubble Space Telescope changed astronomy forever


    🎧 Listen now on Spotify, Apple Podcasts, Amazon Music & more!


    #Astronomy #SciencePodcast #Telescopes #Optics #Galileo #Newton #Hubble #JWST #ELT #HubbleTelescope #JamesWebbSpaceTelescope #AI #mubert


    📖 References & Further Reading:

    Galileo Galilei - Sidereus Nuncius (1610)

    Isaac Newton - Opticks (1704)

    Edwin Hubble - A Relation Between Distance and Radial Velocity Among Extra-Galactic Nebulae (1929)

    Hubble Deep Field Observations

    Jonathan P. Gardner et al. - The James Webb Space Telescope Mission (2023)

    ⁠The Extremely Large Telescope⁠


    🎶 Jingle from: ⁠Mubert Render⁠


    💰Support me here: ⁠PayPal⁠ ⁠Revolut

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    20 mins