Planetary alignments occur when multiple planets from our solar system appear together in the night sky. There are four major categories of planetary alignments: mini (3 planets), small (4), large ...
Add Yahoo as a preferred source to see more of our stories on Google. It's been a little while since there's been a large planetary alignment in the sky, but another chance to see one is coming very ...
A rare alignment of two exoplanets with their star, marking one of the few known exosyzygies, an astronomical event involving ...