Tonight is Manhattanhenge, the twice-a-year alignment of the setting sun with the street grid of Manhattan. On Sunday, May 31, the entire solar sphere will be visible just above the horizon at 8:17 p.m. EDT. The second opportunity comes later in the summer, with another half-sphere sunset on Sunday, July 12, at 8:25 p.m. EDT and a whole-sphere viewing on …
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