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? A: During a solar eclipse, the period of totality, which is when the Sun is completely covered, can last as long as seven minutes and 31 seconds, but most end sooner. During this brief phenomenon, the sun's corona can be seen. Continue Reading. The duration of a solar eclipse can depend on many factors.