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Fog is a visible aerosol consisting of tiny water droplets or ice crystals suspended in the air at or near the Earth's surface. [1] [2] Fog can be considered a type of low-lying cloud usually resembling stratus and is heavily influenced by nearby bodies of water, topography, and wind conditions.
Earth Day is an annual event on April 22 to demonstrate support for environmental protection.First held on April 22, 1970, it now includes a wide range of events coordinated globally by EARTHDAY.ORG (formerly Earth Day Network) [1] including 1 billion people in more than 193 countries.
The National Christmas Tree is a large evergreen tree located in the northeast quadrant of the Ellipse near the White House in Washington, D.C. Each year since 1923, the tree has been decorated as a Christmas tree. Every year, early in December, the tree is traditionally lit by the President and First Lady of the United States.
As TIME Magazine reported, it is widely believed that in the Middle Ages, modern-day Germany revealed the first real Christmas trees. After all, "In 1419, a guild in Freiburg put up a tree ...
Candy canes are a peppermint treat long associated with Christmas. Learn their history, including why they were first made with red and white stripes.
The Christmas tree originally dates back to before Christmas, tying into how ancient civilizations celebrated the Winter Solstice, according to Texas A&M University. Evergreen plants were used to ...
Atmospheric Optics. Explanations (10 pages) and many images. Light Pillars: An Introduction to Sun Pillars and Related Phenomena. The Weather Doctor's Weather Eyes. Another nice explanation, all on one page; Fabulous frozen frames – Sydney Morning Herald. November 1, 2006; A Sun Pillar Over North Carolina. NASA Astronomy Picture of the Day ...
Christmas is one of the most globally celebrated holidays in the world. But not everybody celebrates the same way—or even on the same day. While Christmas is, at its core, a Christian holiday ...