エピソード

  • New Evidence Challenges How Earth Was Built

    New Evidence Challenges How Earth Was Built
    2026/04/10
    New research from ETH Zurich suggests that Earth formed almost entirely from inner solar system material. Isotopic evidence shows that less than 2% came from beyond Jupiter, challenging long-held theories about external contributions.

    This implies that Jupiter acted as a barrier early on—meaning key ingredients like water may have originated locally, reshaping our understanding of planetary formation.

    Thank you for listening to Bedtime Astronomy — your guide to the cosmos. New episodes on space exploration, NASA missions & the latest astronomy breakthroughs.

    This episode includes AI-generated content.
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    32 分
  • Extreme Exoplanets: Molten Worlds Around Red Dwarfs

    Extreme Exoplanets: Molten Worlds Around Red Dwarfs
    2026/04/09
    Data from the James Webb Space Telescope reveals a new class of exoplanets—molten worlds with global magma oceans and toxic, sulfur-rich atmospheres. One example, L 98-59 d, appears to sustain its thick atmosphere through continuous volcanic degassing.

    This discovery suggests that planets around red dwarf stars may follow a third evolutionary path, expanding our understanding of how diverse—and extreme—alien worlds can be.

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    This episode includes AI-generated content.
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    41 分
  • Space Mystery: The First Comet Ever Seen Spinning Backwards

    Space Mystery: The First Comet Ever Seen Spinning Backwards
    2026/04/08
    Astronomers analyzing data from the Hubble Space Telescope made a surprising discovery: a comet that literally reversed its spin. Known as Comet 41P/Tuttle–Giacobini–Kresák, this small, fragile object reacts dramatically as it nears the Sun. Jets of gas erupt from its surface like uneven thrusters, slowing its rotation until it flips direction entirely.

    This rare phenomenon reveals how unstable and rapidly evolving comets can be—and suggests 41P may eventually break apart. It also highlights how revisiting old NASA data can still unlock entirely new discoveries about our solar system.

    Thank you for listening to Bedtime Astronomy — your guide to the cosmos. New episodes on space exploration, NASA missions & the latest astronomy breakthroughs.

    This episode includes AI-generated content.
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    37 分
  • NASA Psyche Mission & the Metallic Asteroid Mystery

    NASA Psyche Mission & the Metallic Asteroid Mystery
    2026/04/07
    Scientists used advanced 3D simulations to explore how massive impacts shaped the metallic asteroid 16 Psyche—believed to be the exposed core of an ancient protoplanet.

    The study reveals that internal porosity plays a critical role in crater formation and material distribution, offering new insights into planetary formation and the early evolution of the solar system. These findings await confirmation from NASA’s Psyche mission, set to arrive in 2029.

    Thank you for listening to Bedtime Astronomy — your guide to the cosmos. New episodes on space exploration, NASA missions & the latest astronomy breakthroughs.

    This episode includes AI-generated content.
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    25 分
  • Is Dark Energy Changing? New Study Challenges Cosmology

    Is Dark Energy Changing? New Study Challenges Cosmology
    2026/04/06
    A new study suggests that dark energy may evolve over time, offering a potential explanation for the Hubble tension.

    By analyzing multiple cosmic epochs, researchers hint at unknown interactions with dark matter—pointing toward possible revisions of current cosmological models.

    Thank you for listening to Bedtime Astronomy — your guide to the cosmos. New episodes on space exploration, NASA missions & the latest astronomy breakthroughs.

    This episode includes AI-generated content.
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    37 分
  • Astronomers Witness Rapid Black Hole Shutdown in Distant Galaxy

    Astronomers Witness Rapid Black Hole Shutdown in Distant Galaxy
    2026/04/05
    Astronomers have observed a distant galaxy dimming to just 5% of its original brightness in only two decades. The cause: a sudden drop in gas feeding its central supermassive black hole.

    This discovery shows that active galactic nuclei can evolve on human timescales, challenging existing models and reshaping our understanding of black hole behavior.

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    This episode includes AI-generated content.
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    35 分
  • AI Discovers 118 New Exoplanets Using NASA TESS Data

    AI Discovers 118 New Exoplanets Using NASA TESS Data
    2026/04/04
    A new AI system, RAVEN, is transforming how scientists discover exoplanets. Using four years of NASA TESS data, researchers confirmed 118 planets and flagged thousands more candidates with high precision.

    By filtering out stellar noise, this approach improves our understanding of short-period planets and rare regions like the “Neptunian desert,” marking a major step toward automated, large-scale mapping of planetary systems.

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    This episode includes AI-generated content.
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    47 分
  • Why Saturn’s Moon Might Not Support Life After All

    Why Saturn’s Moon Might Not Support Life After All
    2026/04/03
    New experiments at NASA Jet Propulsion Laboratory challenge the idea that life could form cell-like membranes on Titan.

    Under simulated conditions, acrylonitrile failed to assemble into predicted “azotosomes,” instead forming stable crystals with liquid ethane.

    The findings complicate theories of methane-based life, suggesting that if extraterrestrial biology exists, it may follow entirely different chemical architectures.

    Thank you for listening to Bedtime Astronomy — your guide to the cosmos. New episodes on space exploration, NASA missions & the latest astronomy breakthroughs.

    This episode includes AI-generated content.
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    39 分