The instant of totality occurs when the moon exactly covers the sun, revealing just a sliver of light around it that sometimes looks like beads. I know many of you probably witnessed the lunar eclipse (when a full moon dips into Earth's shadow) last February, but how many of you have witnessed a solar eclipse? I can only remember one, but I don't recall if the "instant of totality" was achieved.
That's why they look the same size and why the moon can cover up the sun during a solar eclipse. The moon is about 400 times smaller than the sun and the sun is about 400 times as far away from earth than the moon. Coincidence: Have you ever heard of "Nature's Greatest Coincidence?" One of the greatest coincidences in nature is the fact that the sun and the moon appear to be the exact same size from earth.
Wendy Mass's new book can be introduced with two words: coincidence and convergence.ġ.
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