Bühler, D.; Lagg, A.; Solanki, S. K.: Quiet Sun magnetic fields observed by Hinode: Support for a local dynamo. Astronomy and Astrophysics 555, pp. A33 1 - 10 (2013)
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.