A solitary laser beam cuts through the night sky in this space wallpaper. It streaks upwards from Unit Telescope 4 of ESO's Very Large Telescope, located at Paranal Observatory in Chile.
Guiding Star | Space Wallpaper

A solitary laser beam cuts through the night sky in this space wallpaper.
(Image: © ESO/J. Girard)
Join our Space Forums to keep talking space on the latest missions, night sky and more! And if you have a news tip, correction or comment, let us know at: community@space.com.