gaseous ammonia is generally referred to as anhydrous ammonia to distinguish it from household ammonia, which is an ammonium hydroxide aqueous solution. gaseous hydrogen chloride is generally referred to as anhydrous to distinguish it from the more commonly used 37% w/w solution in water.
20th century. The total solar eclipse of June 8, 1918 crossed the United States from Washington State to Florida. This path is roughly similar to the August 21, 2017 total solar eclipse and was the last time totality crossed the nation from the Pacific to the Atlantic.
Total Solar Eclipse August 2017 in Western NC. Don't miss experiencing a rare total solar eclipse in western North Carolina near Asheville on Monday, August 21, 2017. Jackson County, Swain County and Graham County - all located about 50-70 miles west of Asheville - are some of the few areas in country where you can experience the extremely rare celestial phenomenon of a total solar eclipse.