エピソード

  • Where Does Solar System End? | Bedtime Astronaut for Sleep

    Where Does Solar System End? | Bedtime Astronaut for Sleep
    2025/12/21

    Where does the solar system truly end? This episode explores the boundaries of our cosmic neighborhood, from the outer planets and the Kuiper Belt to the distant Oort Cloud and the edge of the Sun’s influence. We examine how gravity, solar wind, and interstellar space define the gradual transition from our solar system into the wider galaxy.
    続きを読む 一部表示
    2 時間 14 分
  • The Hidden History of Saturn’s Rings

    The Hidden History of Saturn’s Rings
    2025/12/15

    Saturn’s rings are one of the most recognizable structures in the solar system, yet their origin and evolution remain deeply complex. This episode explores how Saturn’s rings formed, what they are made of, how they interact with moons and gravity, and what modern space missions have revealed about their past and future.
    続きを読む 一部表示
    1 時間 8 分