VISUAL ARCHIVE / IMAGE STORY
The Star Leaving Home
A hypervelocity star becomes a moving clue to a violent encounter in the Galactic Center.

The runaway S5-HVS1. A brilliant blue-white star racing through a sparse galactic halo, leaving the magnificent Milky Way behind. Its luminous path is an artistic depiction, not an actual visible trail.
THE OBSERVATION
What we can actually see.
Spectra, distance estimates, and proper motion constrain the velocity of S5-HVS1. Integrating its path backward points toward the Galactic Center; the brilliant streak in this scene is an artistic device, not light actually left behind by the star.
THE ILLUSTRATION
What the artwork imagines.
The composition visualizes this idea: A hypervelocity star becomes a moving clue to a violent encounter in the Galactic Center. The runaway S5-HVS1. A brilliant blue-white star racing through a sparse galactic halo, leaving the magnificent Milky Way behind. Its luminous path is an artistic depiction, not an actual visible trail.
FROM THE ILLUSTRATED ARTICLE
The story that inspired it.
The article follows S5-HVS1’s measured motion back toward the Galactic Center and introduces the Hills mechanism. It asks how one disrupted partnership could leave both a runaway star and a tightly bound companion without requiring either star to be swallowed. This frame focuses on a hypervelocity star becomes a moving clue to a violent encounter in the Galactic Center.
Read The Black Hole That Tore Two Stars Apart and Sent One Into Eternal ExileCHECK THE RECORD
The image interprets the research below. Follow the original work for the measurements and limits behind the scene.
Research record: doi.org/10.1093/mnras/stz3081 Research record: doi.org/10.1038/331687a0 Research record: www.esa.int/Science_Exploration/Space_Science/Gaia/Gaia_spots_stars_flying_between_galaxies Research record: www.hq.eso.org/public/news/eso1825/ Research record: www.esa.int/Science_Exploration/Space_Science/Gaia/Five_fascinating_Gaia_revelations_about_the_Milky_WayOTHER IMAGE STORIES
Keep looking.
EXPLORE IN 3D / MAP G-01
Follow a star around Sagittarius A*
Follow an S2-inspired orbit and experiment with a released probe near Sagittarius A*. These teaching paths illustrate gravity; they do not reconstruct the original S5-HVS1 binary encounter.
Open Sagittarius A* map
One Encounter, Two Futures
The Galaxy That Never Stands Still
The Mark Shared by Titan and Pluto