Tips for Relieving Muscle Soreness. Use these tips the next time a workout has your muscles aching for relief. Nothing's quite as rewarding after a tough sweat session like sore musclesâexcept maybe larger, more defined muscles (but that's a story for another time). What you're feeling anywhere from 12-48 hours after a workout is something specialists refer to as DOMS, or Delayed Onset Muscle Soreness.
Thankfully, Copernicus set the record straight with his heliocentric model, and we now know that the Earth spins on its axis as it revolves around the sun. But why does our planet spin in the first place? Remember Newton's first law of motion? It states that an object remains in whatever state of motion it's in unless another force acts upon it. The Earth is rotating because it's been doing that as long as it has existed. Keep Reading Below Before there were planets in our solar system, there was a spinning, nebulous cloud of dust with our sun at the center.
The Earth is currently rotating on its axis, completing one turn approximately every 24 hours. This rotational velocity causes the Earth to bulge out around its equator, turning our planet into an oblate spheroid (a flattened ball). Without this spin, gravity would be able to pull the Earth into a nice perfect sphere.