002% further in or out, or that God placed the Moon at just the right distance to exactly cover the Sun during an eclipse. Neither Earth's orbit around the Sun, nor the Moon's orbit around Earth, are perfectly circular, notwithstanding your fundamentalist cousin's Facebook rant about how life couldn't exist if our orbit were. On average, there are about seven total lunar eclipses and fifteen solar eclipses (total and partial combined) per decade. Total solar eclipses travel in narrow paths totality never lasts more than a few minutes. A solar eclipse is when Earth passes through the Moon's shadow, and daylight is partially or totally (totality) obscured.ĭuring a total solar eclipse, the Moon's visible disk covers the Sun completely a day in the path of totality becomes dark, with twilight visible in all directions.A lunar eclipse is when the Moon passes through Earth's shadow, and the Moon becomes relatively dark in the sky.An eclipse occurs when Earth, the Moon and the Sun are in a direct line.
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