Traveling through the interior of the Earth, body waves arrive before the surface waves emitted by an earthquake. These waves are higher frequency than surface waves. P waves are also known as ...

Covering 71 per cent of the Earth’s surface, oceans are one of the ... on itself to pull the buoy down, while the waves push it up. The wave motion is turned into rotation, which is then ...

The sun’s surface also gives off light, and the motion means the light waves are squashed or stretched. This change in wavelength is what the SOHO spacecraft measures, and the team translates ...