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Ionosphere
The ionosphere is the part of the atmosphere that is ionized by solar radiation. It plays an important part in atmospheric electricity and forms the inner edge of the magnetosphere. It has practical ... > more -
Ozone depletion
Ozone depletion describes the observed loss of ozone in the stratosphere over the past 50 years. It encompasses both a steady thinning of the ozone layer at mid-latitudes and its catastrophic ... > more -
Microorganism
A microorganism or microbe is an organism that is so small that it is microscopic (invisible to the naked eye). Microorganisms are often illustrated using single-celled, or unicellular organisms; ... > more -
Hurricane Camille
Hurricane Camille was a Category 5 hurricane that struck the United States at peak intensity near the mouth of the Mississippi River on the night of August 17 during the 1969 Atlantic hurricane ... > more -
Cyclone Mala
Cyclone Mala, also known as Very Severe Cyclonic Storm Mala, was the strongest tropical cyclone of the 2006 North Indian cyclone ... > more -
Hurricane Hazel
Hurricane Hazel was the worst hurricane of the 1954 Atlantic hurricane season and one of the worst hurricanes of the 20th century. Hazel killed as many as 1,000 people in Haiti before striking the ... > more
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