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.
Each saros series produced a solar eclipse every 18 years plus 9-to-11 days (depending on the number of leap years occurring in the 18 year span). Each Solar saros series starts as a tiny partial eclipse at either the North or South Pole.