Boehnhardt, H.; Schulz, D.; Protopapa, S.; Götz, C.: Photometry of Transneptunian Objects for the Herschel Key Program `TNOs are Cool'. Earth, Moon, and Planets 114, pp. 35 - 57 (2014)
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.