Solar radius determined from PICARD/SODISM observations and extremely weak wavelength dependence in the visible and the near-infraredM. Meftah, T. Corbard, A. Hauchecorne, F. Morand, R. Ikhlef, B. Chauvineau, C. Renaud, A. Sarkissian and L. DaméA&A, 616 (2018) A64DOI: https://doi.org/10.1051/0004-6361/201732159