WebMar 4, 2024 · From what we know a geologically planet is necessary to support life: it replenishes the atmosphere/hydrosphere of gases and elements like water, sulfur, phosphorus, coming from the mantle/core. All of those are needed from life. it ensures the presence of a magnetic field, shielding the planet from cosmic radiation. WebFeb 8, 2024 · Moons come in many shapes, sizes, and types. A few have atmospheres and even hidden oceans beneath their surfaces. Most planetary moons probably formed from the discs of gas and dust circulating around planets in the early solar system, though some are captured objects that formed elsewhere and fell into orbit around larger worlds.. …
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WebThe richly textured landscape of the United States is a product of the dueling forces of plate tectonics, weathering and erosion. Over the 4.5 billion-year history of our Earth, … WebMar 23, 2024 · Note 2: My definition of an iron planet is that the planet is mostly made of iron all the way up to the surface, but plenty of the pie chart is composed of other metals, like nickel, zinc, etc. ... So whatever amount of heat your planet needs to stay geologically active can be created without exceeding a plausible concentration of isotopes. The ... small hp computer speakers
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WebJul 17, 2015 · When we talk about “geologically active” as it relates to Earth, we know what that means: mountain-building processes, volcanic flows, earthquakes, canyon-creating processes, plate motions, erosion (by wind and water), and so on. These are processes that geologists study. They also use an understanding of chemistry and physics to explain ... WebJul 17, 2015 · When we talk about “geologically active” as it relates to Earth, we know what that means: mountain-building processes, volcanic flows, earthquakes, canyon-creating … WebPassive margins are less geologically active. Figure 1.2.1 shows an idealized passive margin. When examining this figure, and others like it, note that there is significant vertical exaggeration; the depth scale covers approximately 5000 m, while the horizontal scale extends around 300 km. This makes the features look much steeper than they ... sonic journey online