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13 cze 2024 · Earth's tilted axis causes the seasons. Throughout the year, different parts of Earth receive the Sun's most direct rays. So, when the North Pole tilts toward the Sun, it's summer in the Northern Hemisphere. And when the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere.
Earth orbits the Sun at an average distance of 149.60 million km (8.317 light minutes, 92.96 million mi) in a counterclockwise direction as viewed from above the Northern Hemisphere. One complete orbit takes 365.256 days (1 sidereal year), during which time Earth has traveled 940 million km (584 million mi).
Seasons happen because Earth's axis is tilted at an angle of about 23.4 degrees and different parts of Earth receive more solar energy than others. Earth's orbit around the Sun is elliptical. Seasons are caused by Earth's axial tilt and temperatures and nature's processes are affected.
27 lut 2020 · These cyclical orbital movements, which became known as the Milankovitch cycles, cause variations of up to 25 percent in the amount of incoming insolation at Earth’s mid-latitudes (the areas of our planet located between about 30 and 60 degrees north and south of the equator).
We know that the Earth orbits the sun, the sun is where the great majority of the heat and the energy on the surface of the Earth comes from. And maybe it's the case that there's certain times of year when we are further from the sun, and there's other times of year when we are closer to the sun.
13 cze 2024 · Earth has seasons because sometime early in its long history, something very big hit the young Earth to knock it off-kilter. So instead of rotating with its axis perpendicular to its orbital plane, it is tilted 23.45 degrees from the perpendicular.
Learn how Earth's tilt and orbit affect the seasons, and how the poles experience extreme day and night cycles. - BBC Sky at Night Magazine
