Why do leaves change color in the fall? 🍁Here's the science behind the vibrant fall colors and what triggers leaf color changes! The main reason for the eye-popping color change is not autumn’s chilly weather but sunlight. . .or rather, the lack of daylight. Day and night are roughly equal in length on the autumnal equinox in late September, but afterward, nights are growing longer and days shorter. As the autumn days shrink, the reduced daylight tells deciduous plants that it’s time to stop ga

8K views · 237 reactions | It’s officially Fall!!! The Fall/Autumnal Equinox was today (Wednesday) at 3:20pm EDT. This marks the time when the day-to-night line, called the terminator, is perfectly vertical from pole to pole and the sun is directly over the equator. #FallEquinox #FirstDayOfFall | U.S. National Weather Service (NWS) | Facebook

The Fall — or Autumnal — Equinox is TODAY at 9:03:34 PM EDT. That's the time at which our Sun is directly over the Earth's equator, signaling the start of the Northern Hemisphere's astronomical fall. Visit weather.gov/wrn/fall-safety to learn how to stay safe during various fall hazards. | U.S. National Weather Service (NWS)

HAPPY EQUINOX !! 🌞🍂🌺 The sun will be exactly above Earth’s equator then, moving from north to south. Earth’s two hemispheres are receiving the sun’s rays about equally around equinox time. Today it’s the astronomical turning point of the seasons! Also remember the Sun does rise due east and set due west at the equinoxes, that’s true no matter where you live on Earth. Earth’s Northern and Southern Hemispheres trade places throughout the year in receiving the sun’s light and warmth most directl