Show Notes
Temperature is a defining factor in the conformation, elaboration, and habitability of planetary systems. From the early condensation of protoplanetary disks to the climates of completely formed globes, thermal conditions regulate chemical responses, structural isolation, and the eventuality for life. Understanding the part of temperature in planetary systems is essential for interpreting the variety of worlds in our own Solar System as well as the different exoplanets discovered across the world.
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A mountain can conceal nearly everything significant regarding its volcanic behavior.The lava seen on its surface is just the last stage of a much longer process.Before an eruption starts, magma might already be moving many kilometers beneath the surface.Pressure can change inside the summit area.Cracks might begin to form under the sides of the mountain.The ground might slowly rise, but the change could be too slight for a person to
From the surface, Mauna Loa may seem almost still.Its massive slopes rise slowly toward the summit, dark lava fields spread across the landscape, and the summit caldera sits high above the Pacific Ocean.During calm periods, there may be no visible signs that any activity is happening beneath the mountain.However, this apparent calm is misleading.Deep inside, Mauna Loa has a continuously changing system involving magma storage,
When people hear that Mauna Loa is one of the largest volcanoes on Earth, the first thing they often think about is its height.A mountain that rises more than four kilometers above sea level definitely seems huge.However, height alone doesn't fully explain Mauna Loa.In fact, measuring the volcano only from sea level hides much of what makes it special.Mauna Loa is massive in three dimensions.It rises into the atmosphere, extends downward
There is a specific moment in the life of every Hawaiian volcano when a hidden process beneath the Pacific Ocean starts to create something that can eventually be seen from space.Melt generated deep within the Earth's mantle rises toward the surface.This molten rock erupts onto the ocean floor.One lava flow covers another.A new layer of basalt forms.Then another.And another.At first, the entire structure is completely hidden beneath
The story of the Hawaiian hotspot goes beyond the idea of a hot area deep beneath the Pacific Ocean.Knowing that there is heat beneath Hawaiʻi is just the start.The real question is what happens after that.How does heat from deep inside the Earth become molten rock?How does that molten rock move through thousands of kilometers of solid mantle?How does it eventually reach the oceanic crust?And how does part of that magma form a volcano as