Astronomy Picture of the Day . ... Credit Copyright: Chris Kotsiopoulos ( GreekSky ) Explanation: You can see four planets in this serene sunset image , created from a series of stacked digital exposures captured near dusk on May 25. The composite picture follows the trail of three of them, Jupiter, Venus, and Mercury (left to right) dropping toward the western horizon, gathered close in last month's remarkable triple planetary conjunction . ... Publications with keywords: conjunction - sunset . ...