Enormous Hole In The Ozone Appears Above Arctic In Rare Atmospheric Phenomenon
Images from NASA’s Arctic Ozone Watch show how the hole has been growing since the start of March, with ozone levels dropping significantly. Blue and purple colors show where there is the least amount of ozone, while reds and yellows indicate where levels are higher. Ozone is a gas made of three oxygen atoms. It is created naturally in the stratosphere, a layer of Earth’s atmosphere that sits between seven and 25 miles above the surface of the planet....