Ondratschek, P. A.; Röpke, F. K.; Schneider, F. R. N.; Fendt, C.; Sand, C.; Ohlmann, S. T.; Pakmor, R.; Springel, V.: Bipolar planetary nebulae from common-envelope evolution of binary stars. Astronomy and Astrophysics 660, L8 (2022)
A star’s chemical composition strongly influences the ultraviolet radiation it emits into space and thus the conditions for the emergence of life in its neighbourhood.
A single star has provided information about the collision of the Milky Way with the dwarf galaxy Gaia-Enceladus. The event likely took place approximately 11.5 billion years ago.