![]() Earth's orbit is not a perfect circle, but rather a slightly oval-shaped ellipse, similar to the orbits of all the other planets in our solar system. ![]() This means the Northern and Southern Hemispheres will sometimes point toward or away from the sun depending on the time of year, and this changes the amount of light the hemispheres receive, resulting in the changing seasons.Įarth happens to orbit the sun within the so-called " Goldilocks zone," where temperatures are just right to maintain liquid water on our planet's surface. It takes Earth 23.934 hours to complete a rotation on its axis and 365.26 days to complete an orbit around the sun - our days and years on Earth are defined by these gyrations.Įarth's axis of rotation is tilted in relation to the ecliptic plane, an imaginary surface through the planet's orbit around the sun. While Earth orbits the sun, the planet is simultaneously spinning around an imaginary line called an axis that runs through the core, from the North Pole to the South Pole. Related: 15 places on Earth that look exoplanetary Planet Earth's orbit around the sun
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