Polarimetric signature of the oceans as detected by near-infrared Earthshine observations J. Takahashi, Y. Itoh, T. Matsuo, Y. Oasa, Y. P. Bach and M. Ishiguro A&A, 653 (2021) A99 Published online: 14 September 2021 DOI: 10.1051/0004-6361/202039331