Basilevsky, A. T.; Mall, U.; Keller, H. U.; Skorov, Y. V.; Hviid, S. F.; Mottola, S.; Krasilnikov, S. S.; Dabrowski, B.: Geologic analysis of the Rosetta NavCam, Osiris and ROLIS images of the comet 67P/Churyumov-Gerasimenko nucleus. Planetary and Space Science 137, pp. 1 - 19 (2017)
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.