Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you identify them.

The four-planet lineup that began in January concludes by mid- to late February, as Saturn sinks increasingly lower in the sky each night after sunset, according to NASA. While Mercury will briefly join Saturn later in February in the post-sunset glow, both planets will be too low and faint for most observers to spot.