Neil deGrasse Tyson Explains Manhattanhenge

Twice a year, the sunset lines up with New York City's street grid -- making for spectacular views.

Neil deGrasse Tyson, director of the Hayden Planetarium in New York, identified the cosmic event over a decade ago and coined it Manhattanhenge. In this video from 2009, we watched the sun from 42nd Street, along with about 50 other astronomical enthusiasts.

From SciFri