Candles are a leading cause of home fires and fatalities. Soot on the walls and furnishings is unsightly, and may also be a sign of serious problems. It may also be unhealthy, as inhalation of minute particles of soot has been documented to cause health problems.
It is a popular misconception that the phenomenon of a total eclipse of the sun is a rare occurrence. Quite the contrary. Approximately once every 18 months (on average) a total solar eclipse is visible from some place on the Earthâs surface. That's two totalities for every three years.
Solar eclipses, partial or total, occur on average 2.4 times every year. Total eclipses occur on average every 18 months, but are only visible on less than half a percent of the earthâs... Solar eclipses, partial or total, occur on average 2.4 times every year. Total eclipses occur on average every 18 months, but are only visible on less than half a percent of the earthâs surface. Continue Reading