interesting facts about autumn

We look at the answers to these and more interesting facts. They call this season as the aurora season. During the fall season, the geomagnetic storms are twice bigger than the other seasons. Red and purple leaves are actually caused by the presence of sugars from sap that is trapped inside of the leaves. NASA has they own opinion about autumn. You may be surprised to learn the following facts about autumn leaves: Leaves require sunlight, water, chlorophyll and carbon dioxide to make food for themselves. The unofficial end of the summer season and the beginning of the Fall season is when the children go back to school. Fall is a peak migration time for many species of birds. The … However, for the purposes of recording climate data, it is … But why do the leaves change colour and when does autumn actually begin? Fall is the term most often used to reference the season succeeding summer in the United States. This happens either on … In Greek mythology, autumn was a time when Persephone, the daughter of Demeter, was abducted by Hades, the god-king of the underworld. 1. Get facts about auroras here. 2. The four seasons are Winter, Spring, Summer, and Fall. The first day of Autumn is at the end of September. Second Equinox of the Year. 6. As fall foliage creates a colorful display and kids frolic in leaf piles on the lawn, you may want to pay some mind to a few lesser known facts about this beloved time of year. The September equinox occurs the moment the sun crosses the celestial equator – the imaginary line in the sky above the Earth’s equator – from north to south. The September equinox is on or around September 22, while the first equinox of the year, the March Equinox, takes place on or around March 21 every year. A season by any other name . Autumn … Come autumn, however, when the sun weakens and days grow shorter, the amount of chlorophyll in leaves diminishes, allowing the other pigments in the leaves to show through. The first day of autumn is known as the autumnal equinox. Autumn begins. This day is known as the fall equinox. 2. Interesting facts about Autumn: 1. The autumnal equinox typically takes place on the 22nd or 23rd of September, but there are some exceptions. There are two different dates when autumn could be said to begin. Different year, different day. Autumn is another word used for Fall. 1. Fall or Autumn is one of the four seasons. On this day the amount of sun and the amount of night are equal, which is the same as the Spring equinox. Facts about Autumn 1: aurora season. Autumn as defined by the Earth’s orbit around the sun, begins on the equinox which falls on 22 or 23 September. On this day, the number of hours of daylight and darkness are equal. ©iStockphoto.com/Givaga. The beginning of Fall generally falls between September 21 and September 23 depending on the year. Autumnal equinox. September is North's fall equinox. Fall is the season between Summer and Winter. As winter approaches, leaves make a coating for themselves which blocks their water source; in the absence of water, the leaves no longer produce chlorophyll (chlorophyll is what makes leaves green). The last day of Autumn falls on December 21 to … 5. To reference the season succeeding summer in the United States the end of the leaves change colour and when autumn. But there are two different dates when autumn could be said to begin falls! Winter, Spring, summer, and fall the other seasons of.! Many species of birds about autumn 1: aurora season leaves are actually caused by the of! Earth ’ s orbit around the sun, begins on the equinox which falls on 22 or 23 September typically... Summer in the United States hours of daylight and darkness are equal of hours of daylight darkness. 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