Solar eclipses are always with us
Marina Koren writes: Cosmically speaking, the alignment of Earth, the sun, and the moon is ordinary. But from our corner of the universe, the occurrence produces something wondrous: a total solar eclipse. On April 8, the moon will pass between the sun and Earth, casting a shadow along a narrow strip of the country, from Texas to Maine. Outside this path, the sun will not disappear, and the best and safest way to observe the event is with eclipse glasses….