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.
20/21 January 2019: Total eclipse seen in all of North America. So you see that solar and lunar eclipses tend to occur at the same frequency in North America though total lunar ones are more frequent than total or annular solar ones for the reasons mentioned in the beginning.