Cochran, A. L.; Levasseur-Regourd, A.-C.; Cordiner, M.; Hadamcik, E.; Lasue, J.; Gicquel, A.; Schleicher, D. G.; Charnley, S. B.; Mumma, M. J.; Paganini, L.et al.; Bockelee-Morvan, D.; Biver, N.; Kuan, Y.-J.: The Composition of Comets. Space Science Reviews 197 (1-4), pp. 9 - 46 (2015)
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.
