Press Release
Free Access

Fig. 6.


Number of lethal events per bins of 500 Myr as a function of the Galactic radius and loockback time. Shaded contours (corresponding to the green, yellow, and red color bar) show the number of lethal events (SSGRBs+LGRBs+SNs) per 500 Myr as a function of the distance from the Galactic center (x-axis) throughout the cosmic history of the Milky Way (y-axis). The line contours (corresponding to the blue-scale color bar) show the surface number density of TPs around M stars (solid lines) and FGK stars (dashed lines). The current position of the Solar System is marked by the yellow dot. The Galaxy disk portion that extends ∼2 and ∼8 kpc away from the Galaxy center, where the TP density is relatively higher, represents the place in which life in the past 4 Gyr might have experienced less frequent major damages as a result of ozone depletion induced by transient astrophysical events.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.