After Friday's spectacle, a "planet parade" of this size won't appear in the night sky for several years, experts say.
An alignment of seven planets will be visible in Friday's evening sky. Here's when and where to view the celestial phenomenon ...
Heads up, skywatchers: a planet alignment is up for viewing this weekend, with Mercury, Venus, Jupiter, and Mars all visible ...
Mercury has a rocky surface when, facing the sun, can reach highs of 800 degrees while overnight lows could reach minus 290 ...
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