HARPS-N OBSERVES THE SUN AS A STAR

This work was performed with support from the Smithsonian Astrophysical Observatory, The Harvard Origins of Life Initiative, the National Science Foundation, NASA, and Progetto Premiale WOW of the Italian Research Ministry (for support of the astro-comb). X.D. thanks the Society in Science-Branco Weiss fellowship for its support, as well as NASA's Transiting Exoplanet Survey Satellite (TESS) mission for partial support via subaward 5710003554 from MIT to SAO. A.C.C. acknowledges support from STFC grant ST/M001296/1 during the course of this work. The research leading to these results received funding from the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement number 313014 (ETAEARTH). This publication was made possible through the support of a grant from the John Templeton Foundation.