In this column, we'll focus on the ecliptic, the invisible "racetrack" that hosts the sun, moon and planets. Knowing how it works and where to find it can make you a master planet spotter — you'll ...
OVER the course of a year, the sun traces a path in the sky. This invisible line, called the ecliptic, isn’t created by the sun moving, but instead by Earth travelling around the sun. The solar system ...