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.
How long does a solar eclipse last? (Beginner) It varies depending on several factors: whether it is a partial or total eclipse, how close the moon is to the earth in its elliptical orbit (this affects the apparent size and speed of the moon), how close the earth is to the sun in its orbit (this affects the apparent size of the sun), etc.