『Bedtime Astronomy』のカバーアート

Bedtime Astronomy

Bedtime Astronomy

著者： Synthetic Universe
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 Welcome Bedtime Astronomy Podcast. We invite you to unwind and explore the wonders of the universe before drifting off into a peaceful slumber.

Join us as we take you on a soothing journey through the cosmos, sharing captivating stories about stars, planets, galaxies, and celestial phenomena.

Let's go through the mysteries of the night sky, whether you're a seasoned stargazer or simply curious about the cosmos, our bedtime astronomy podcast promises to inspire wonder, spark imagination, and lull you into a restful sleep under the starlit sky.

Podcast music by Synthena
More like this: Curiouscity: Exploring Science and WondersCopyright Synthetic Universe 天文学 天文学・宇宙科学 物理学 科学
エピソード
  • Hidden Quasars Unveiled at Cosmic Dawn

    Hidden Quasars Unveiled at Cosmic Dawn
    2025/09/17
    A new groundbreaking discovery by scientists from Ehime University and the National Astronomical Observatory of Japan (NAOJ) has revealed supermassive black holes shrouded in dust in the early universe that had previously escaped detection. Using a combination of the Subaru Telescope and the James Webb Space Telescope (JWST), the team identified these hidden quasars, showing that bright quasars were at least twice as common in the cosmic dawn than previously thought.

    This study significantly expands our understanding of how supermassive black holes form and evolve, offering new perspectives on galaxy formation and the universe's structure. The research highlights the effectiveness of combining the Subaru's wide-field observations with the JWST's infrared capabilities to overcome the limitations of conventional surveys that rely on ultraviolet light, which is easily absorbed by dust. With plans for future observations and detailed analysis, this team is poised to continue unraveling the mysteries of the cosmic dawn and deepen our knowledge of supermassive black holes.
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    37 分
  • Martian Mudstones Reveal Potential Ancient Microbial Life

    Martian Mudstones Reveal Potential Ancient Microbial Life
    2025/09/15
    Get ready to journey to Mars with us as we explore the exciting discovery of potential evidence for ancient microbial life by NASA's Perseverance rover! Our focus: the Bright Angel formation in Jezero Crater. Scientists have found unusual chemical compositions there, including organic carbon, phosphorus, sulfur, and oxidized iron. We'll delve into the fascinating "poppy seeds" and "leopard spots" structures—minerals and formations that, here on Earth, are often linked to redox reactions driven by biological activity. While we acknowledge that non-biological processes are a possibility, the crucial absence of high-temperature signs makes ancient microbial life a very plausible explanation for these Martian features. These discoveries are being hailed as "potential biosignatures" and underscore the critical importance of bringing these samples back to Earth for deeper analysis.
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    37 分
  • TRAPPIST-1e - Unraveling an Exoplanet's Ocean Potential

    TRAPPIST-1e - Unraveling an Exoplanet's Ocean Potential
    2025/09/13
    Recent research using the James Webb Space Telescope (JWST) has focused on the exoplanet TRAPPIST-1e, an Earth-sized world that orbits a red dwarf star and is located in the habitable zone. Scientists are investigating the presence of an atmosphere, which is crucial for the existence of liquid water on its surface, whether as a global ocean or vast areas of ice. While initial results suggest the possibility of an atmosphere, researchers have ruled out the existence of a primordial hydrogen-based atmosphere. Instead, the presence of a secondary atmosphere containing greenhouse gases, such as carbon dioxide, could keep the planet warm and make liquid water possible, despite the unique characteristics of the TRAPPIST-1 system. Future JWST observations will continue to refine our understanding of this and other exoplanets.
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    37 分
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