l>WHAT IF?: earth WAS not TILTED
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WHAT IF?: earth WAS not TILTED
METEOROLOGIST JEFF HABYAt current Earth is tilted 23.5 degrees on the axis. This is the main reason because that the seasons. As soon as the planet is tilted toward the sunlight the north Hemisphere is in the warmth season and when the earth is tilted away from the sunlight the northern Hemisphere is in the cool season. Because the planet revolves in ~ a predictable and relatively steady rate approximately the sun the cycle repeats chin every year. In the warmth season the sunlight is higher in the sky and also it is warmer and also in the cool season the sun is lower in the sky and it is cooler.What if despite the earth was not tilted? In this case the aircraft of the Earth"s poles would always be perpendicular come the sun. The sunlight would always be just on the horizon 24 hrs a work on every day at the poles. Every day would certainly be choose what it at this time is top top the equinox due to the fact that every place on earth would have around a 12 hour sunlight days and also the noon sun angle would certainly be about the very same every day. There would no much longer be season as we understand them. The temperature and also precipitation pattern would not differ much. It would certainly still be warmth at the equator and also cold in ~ the poles. The most profound affect on temperatures would certainly be at the poles. Instead and dark and frigid temperature in the winter and also warmer and continuous sun in the summer, the polar locations would have actually much much more uniform temperatures year round and also the sun would constantly be low on the horizon. Throughout the earth it would certainly be prefer it is in the middle of fall or spring however it would certainly last all year every year. Areas today that have wet, dry, warm and cold periods would have a fairly consistent weather every year whether it be wet, dry, warm and/or cold. Would certainly there be any type of differences at all? There would still be some slight changes during the year even though there would not be seasons as we know them now. The Earth-Sun street does vary throughout the year. Currently the sunlight is closestly to planet in the northern Hemisphere winter and also further far in summer. Through no tilt, this adjust in Earth-Sun distance throughout the year would create a slight influence on the weather pattern. It need to be emphasized the affect would be small since the Earth-Sun street is not considerably different during the year (91.4 million miles in January compared to 91.5 million mile in July).


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Planet having tilt has a much greater influence on theweather pattern however without any tilt the Earth-Sun street would have the dominant influence on season.