WebOnce again, this serves as evidence that the earth’s inner core is solid. Answer 3: Seismic waves traveling through the earth refract for the same reason that light refracts when entering different substances (e.g. air, water). The inner core has a different density from the outer core, and this difference in density tells us that it is solid. WebOct 1, 2008 · The core of the Earth is made up mainly of iron, in an outer liquid layer and an inner solid layer. The outer core is where the circulating conducting liquid generates the …

How we know about the earth

WebApr 24, 2014 · Obviously because the inner core is solid but the outer core is liquid, we must conclude that the drop in temperature vs the drop in pressure must be lower than the … WebHow could you test whether the core of another planet were completely solid? Set off a bomb to create seismic waves. If S waves arrive on the opposite side of the planet, then … sw 2018 ati radeon realview

What a newly-launched probe can teach us about Jupiter and its …

WebDec 7, 2015 · The outer core is not under enough pressure to be solid, so it is liquid even though it has a composition similar to that of the inner core. The temperature of the outer core ranges... WebAug 1, 2013 · But at the surface of a liquid you can get shear waves and you can get shear waves created when a pressure wave hits a surface. So, basically, the way they found out that the centre of the earth is solid is that when waves created by earthquakes on the surface go down, they hit the liquid outer core and then, when they go from a liquid outer ... WebSep 28, 2011 · I understand that the outer core of the Earth is liquid (iron and other elements) because it is at the outer coreâs pressure that the temperature can maintain … sketch on picture