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Solar System Field Notes

Solar System Field Notes

Written by: Solar System Field Notes
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Solar System Field Notes follows the evidence scientists use to understand planets, rings, asteroids, atmospheres, and ancient surfaces. Each episode turns spacecraft observations, laboratory comparisons, and planetary physics into an accessible journey across our solar system. Astronomy & Space Science Science
Episodes
  • What We Know About Jupiter's Great Red Spot

    What We Know About Jupiter's Great Red Spot
    Sep 21 2026
    Jupiter's Great Red Spot is a vast, persistent storm observed across centuries, yet important questions remain. Explore what spacecraft and telescopes reveal about its winds, depth, color and changing size. Inside this episode: - A storm without solid ground - How large is it - The winds around the edge - How deep does it go - Why is it red Sources include NASA, Juno results offer first 3D view, JPL, Measuring the Gravity of Jupiter's Great Red Spot, and NASA, Hubble watches the Great Red Spot. This episode is a researched narrative summary. Historical records may be incomplete, translated differently, or interpreted differently by scholars. We distinguish documented facts, estimates, disputed interpretations, and later stories where material. Corrections are logged and incorporated into future editions. Follow Solar System Field Notes for more researched stories about the evidence that reveals our solar system.
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    11 mins
  • Why Comets Grow Tails Near the Sun

    Why Comets Grow Tails Near the Sun
    Sep 21 2026
    A comet develops its bright coma and tails as sunlight warms volatile material near the Sun. Follow the dust and ionized gas to see why the two tails behave differently and point in different directions. Inside this episode: - The nucleus - The coma - Two main tails - Sunlight pushes dust - The solar wind shapes the ion tail Sources include NASA, Comet Facts and NASA, Basics of Space Flight. This episode is a researched narrative summary. Historical records may be incomplete, translated differently, or interpreted differently by scholars. We distinguish documented facts, estimates, disputed interpretations, and later stories where material. Corrections are logged and incorporated into future editions. Follow Solar System Field Notes for more researched stories about the evidence that reveals our solar system.
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    10 mins
  • How We Know Europa Has an Ocean Beneath Its Ice

    How We Know Europa Has an Ocean Beneath Its Ice
    Sep 21 2026
    Europa's hidden ocean cannot be photographed directly, but several lines of evidence point beneath the ice. Explore the magnetic measurements, surface geology and physical models behind the ocean hypothesis. Inside this episode: - A moon covered in clues - Jupiter keeps squeezing europa - The magnetic signature - What gravity and shape add - Chaos terrain and moving ice Sources include NASA, Induced Magnetic Field from Europa's Subsurface Ocean, USGS, Does Europa have a subsurface ocean?, and NASA, Europa Ocean. This episode is a researched narrative summary. Historical records may be incomplete, translated differently, or interpreted differently by scholars. We distinguish documented facts, estimates, disputed interpretations, and later stories where material. Corrections are logged and incorporated into future editions. Follow Solar System Field Notes for more researched stories about the evidence that reveals our solar system.
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    10 mins
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