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Because S-waves come to a complete stop in the outer core.
Seismic waves (like all waves) transmit energy.
The shadow zone is caused by S-waves as they travel through Earth. S-waves, however, cannot travel through the outer core of the Earth, which is molten. This is because S-waves lose velocity when travelling through a liquid.
The sudden density change from the lower mantle to the outer core causes P-waves (compression or longitudinal waves) to be refracted and S-waves (shear or transverse waves) to be absorbed as the outer core is liquid and so cannot support the propagation of S-waves.
S-Waves
Primary waves ( P-waves) can travel through earth's outer core.
We do not see shear (S) waves passing through the outer core. Because liquids can not be sheared, we infer that the outer core is molten. We do, however, see waves that travel through the outer core as P waves, and then transform into S waves as they go through the inner core. Because the inner core does transmit shear energy, we assume it is solid.
Because S-waves come to a complete stop in the outer core.
Earth's outer core is liquid because S-waves are not transmitted through this layer
Because you are in space. If you try calling someone in space, he or she wouldn't hear you.
No, because to reach the center of the Earth, they need to pass through the outer core. Secondary waves, or S-waves, can't pass through liquids, such as the liquid outer core, so they can't thus even reach the center of the Earth.
Because the Earth's core is liquid; S-waves can't travel through liquid.
Seismic waves (like all waves) transmit energy.
The shadow zone is caused by S-waves as they travel through Earth. S-waves, however, cannot travel through the outer core of the Earth, which is molten. This is because S-waves lose velocity when travelling through a liquid.
not as far because they have nothing to travle throough like on earth (air)
waves that travels only on the surface
The sudden density change from the lower mantle to the outer core causes P-waves (compression or longitudinal waves) to be refracted and S-waves (shear or transverse waves) to be absorbed as the outer core is liquid and so cannot support the propagation of S-waves.