Planetary Triangle Forming in Night Sky

A trio of planets converging in the night sky this week and for several nights will give casual skywatchers the perfect chance to easily see and identify worlds they might not normally notice. The event, building up to a super-celestial snuggle in early August, is also a chance to watch and grasp orbital mechanics in action.

Venus, Mars and Saturn will gradually, night after night, move into a tight triangular grouping in the early evening sky. ( This graphic shows where to look to spot the planetary triangle on Aug. 5.)

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