A rare alignment of two exoplanets with their star, marking one of the few known exosyzygies, an astronomical event involving ...
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 ...
When you buy through links on our articles, Future and its syndication partners may earn a commission. Planet parade with four planets visible to the naked eye on the evening sky, Mars on left, ...