What are the implications of finding evidence of past or present volcanic activity on other celestial bodies for the possibility of extraterrestrial life?

Aug 13, 2012 ... History of Yellowstone's Supervolcano · How the Yellowstone Caldera Formed · Testing the Volcano Mantle Plume Theory with Corn Syrup. Jan 1, 2020 ... Island lifetime depends on the rate and magnitude of island subsidence, which, in turn, depends on the dynamics of the oceanic lithosphere and ... A hotspot is an area of the Earth's mantle from which hot plumes rise upward, forming volcanoes on the overlying crust. Jul 27, 2015 ... Scientists from Kiel find explanation for geochemically distinct parallel tracks of volcanoes formed by the same volcanic hotspot. ... hotspot volcanoes, Earth Plan. Sci. Lett., 60, 195–206. Article Google ... (1991) Volcano spacing and plate rigidity, Geology, 19, 397–400. Article ... The hotspot is fixed, so as the plates move, the first volcano moves away from the source of magma, and then becomes extinct. A new volcano forms over the ... Hotspots are places where the magma rises up through the crust. They are caused by a static source of magma, often away from plate margins. As the plate moves ... May 10, 1995 ... Here we show that recent estimates for the volume of hotspot volcanism and the size of the swell suggest a shared origin: swell relief is ... A volcanic hotspot is where magma pushes up from deep in the Earth's crust or mantle, and creates a volcano. Sep 5, 2013 ... The model revealed channels – dubbed “low-velocity fingers” by the researchers – where seismic waves traveled unusually slowly. The fingers ...