Mercury, Venus and Jupiter gather in the glow of twilight
As the sun sets, Jupiter, Venus and Mercury emerge in its wake. These three planets will spend the coming week in one another’s company, playing a celestial game of leap-frog low in the west-northwest after sunset.
While these planets appear just a few degrees from one another, they are actually hundreds of thousands of miles apart. All the planets, earth included, travel along the same plane — called the ecliptic — as they orbit the sun. Every so often two...