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3 results for “microplastics in the ocean”
- The Perpetually Curious! › Canonical › Cosmic ExplorationArticle
🌍 When Earth First Took Shape: A Planet Born from Cosmic Dust
From section: 🌊 From fire to water: Cooling, oceans, and early atmosphere… Early Earth may have hosted a global or near-global ocean, although the timing, extent, and stability of those first oceans remain active areas of research.
- The Perpetually Curious! › Canonical › Cosmic ExplorationArticle
🌙 Quiet Worlds, Vast Stories: Some Lesser-Known Moons of Our Solar System
From section: 🧊 Mimas: The cratered sentinel of SaturnFor many years, Mimas appeared to be a simple, heavily cratered ice‑rich body. However, a 2024 study of its orbital motion provided strong evidence that a global subsurface ocean lies beneath its icy shell, possibly between 5 and 15 million years old. …
- The Perpetually Curious! › Canonical › Cosmic ExplorationArticle
✨ Constellations: Quiet Patterns, Shared Skies, and the Stories We Trace Together
From section: 🧭 Constellations as tools for orientationConstellations also guided navigation. Sailors in the Pacific used star paths to cross vast ocean distances, while travelers in deserts used bright patterns near the celestial poles to maintain direction at night. These patterns became memory devices in the sky, linking practical knowledge with cultural meaning.